Q: What is the sum of all factors of the number 313,422,520 excluding 313,422,520?

A: 399,057,080

Why is 399,057,080 the sum of all factors of 313,422,520, excluding 313,422,520?

The factors of the number 313,422,520 are: 1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 80779, 161558, 323116, 403895, 646232, 807790, 1615580, 3231160, 7835563, 15671126, 31342252, 39177815, 62684504, 78355630, 156711260, 313422520.

If you add them up, you will get the total of 313,422,919. Now subtract 313,422,520 to get 399,057,080