Q: What is the sum of all factors of the number 400,233,130 excluding 400,233,130?

A: 386,812,118

Why is 386,812,118 the sum of all factors of 400,233,130, excluding 400,233,130?

The factors of the number 400,233,130 are: 1, 2, 5, 10, 11, 22, 55, 110, 823, 1646, 4115, 4421, 8230, 8842, 9053, 18106, 22105, 44210, 45265, 48631, 90530, 97262, 243155, 486310, 3638483, 7276966, 18192415, 36384830, 40023313, 80046626, 200116565, 400233130.

If you add them up, you will get the total of 400,233,516. Now subtract 400,233,130 to get 386,812,118