Q: What is the sum of all factors of the number 815,726,820 excluding 815,726,820?

A: 1,499,608,860

Why is 1,499,608,860 the sum of all factors of 815,726,820, excluding 815,726,820?

The factors of the number 815,726,820 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 186239, 372478, 558717, 744956, 931195, 1117434, 1862390, 2234868, 2793585, 3724780, 5587170, 11174340, 13595447, 27190894, 40786341, 54381788, 67977235, 81572682, 135954470, 163145364, 203931705, 271908940, 407863410, 815726820.

If you add them up, you will get the total of 815,726,821. Now subtract 815,726,820 to get 1,499,608,860