Q: What is the sum of all factors of the number 221,155,710 excluding 221,155,710?

A: 310,280,322

Why is 310,280,322 the sum of all factors of 221,155,710, excluding 221,155,710?

The factors of the number 221,155,710 are: 1, 2, 3, 5, 6, 10, 15, 30, 887, 1774, 2661, 4435, 5322, 8311, 8870, 13305, 16622, 24933, 26610, 41555, 49866, 83110, 124665, 249330, 7371857, 14743714, 22115571, 36859285, 44231142, 73718570, 110577855, 221155710.

If you add them up, you will get the total of 221,156,020. Now subtract 221,155,710 to get 310,280,322