Just becuase you are on the higher end of the "normal" range doesn't mean you have exceptionally high HCG. It could just be that your body produces HCG more than other women or it could be a multiple pregnancy. The numbers you have provided do not sound like anything to be alarmed about to me, I've been pregnant 8 times, miscarried twice. I wouldn't worry so much :)
Sometimes higher numbers mean more than one baby - but from what you say, looks like they are in the normal range... take it easy and concentrate on feeling better!
At 7 weeks 1 day my levels were 256,000 + and I had one healthy baby girl who is now 3 years old. It doesn't matter what your level is but that it doubles every 48-72 hours. Also by 8 weeks hcg levels usually reach their highest and then start to decrease so I wouldn't be worried.
I don't think the numbers themselves are inportant it's more what the numbers are doing I think so the fact thAt you have high numbers is a really good think I wouldn't worry