Q: What is the sum of all factors of the number 331,321,130 excluding 331,321,130?

A: 356,885,974

Why is 356,885,974 the sum of all factors of 331,321,130, excluding 331,321,130?

The factors of the number 331,321,130 are: 1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3605, 7210, 45953, 91906, 229765, 321671, 459530, 643342, 1608355, 3216710, 4733159, 9466318, 23665795, 33132113, 47331590, 66264226, 165660565, 331321130.

If you add them up, you will get the total of 331,321,486. Now subtract 331,321,130 to get 356,885,974