Q: What is the sum of all factors of the number 311,221,030 excluding 311,221,030?

A: 260,161,754

Why is 260,161,754 the sum of all factors of 311,221,030, excluding 311,221,030?

The factors of the number 311,221,030 are: 1, 2, 5, 10, 67, 134, 223, 335, 446, 670, 1115, 2083, 2230, 4166, 10415, 14941, 20830, 29882, 74705, 139561, 149410, 279122, 464509, 697805, 929018, 1395610, 2322545, 4645090, 31122103, 62244206, 155610515, 311221030.

If you add them up, you will get the total of 311,221,290. Now subtract 311,221,030 to get 260,161,754