Q: What is the sum of all factors of the number 216,707,220 excluding 216,707,220?

A: 440,638,560

Why is 440,638,560 the sum of all factors of 216,707,220, excluding 216,707,220?

The factors of the number 216,707,220 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1203929, 2407858, 3611787, 4815716, 6019645, 7223574, 10835361, 12039290, 14447148, 18058935, 21670722, 24078580, 36117870, 43341444, 54176805, 72235740, 108353610, 216707220.

If you add them up, you will get the total of 216,707,660. Now subtract 216,707,220 to get 440,638,560