Q: What is the sum of all factors of the number 317,790 excluding 317,790?

A: 615,330

Why is 615,330 the sum of all factors of 317,790, excluding 317,790?

The factors of the number 317,790 are: 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 107, 110, 135, 165, 198, 214, 270, 297, 321, 330, 495, 535, 594, 642, 963, 990, 1070, 1177, 1485, 1605, 1926, 2354, 2889, 2970, 3210, 3531, 4815, 5778, 5885, 7062, 9630, 10593, 11770, 14445, 17655, 21186, 28890, 31779, 35310, 52965, 63558, 105930, 158895, 317790.

If you add them up, you will get the total of 318,405. Now subtract 317,790 to get 615,330