Q: What is the sum of all factors of the number 521,575,210 excluding 521,575,210?

A: 490,682,582

Why is 490,682,582 the sum of all factors of 521,575,210, excluding 521,575,210?

The factors of the number 521,575,210 are: 1, 2, 5, 10, 13, 26, 65, 130, 1087, 2174, 3691, 5435, 7382, 10870, 14131, 18455, 28262, 36910, 47983, 70655, 95966, 141310, 239915, 479830, 4012117, 8024234, 20060585, 40121170, 52157521, 104315042, 260787605, 521575210.

If you add them up, you will get the total of 521,575,700. Now subtract 521,575,210 to get 490,682,582