Q: What is the sum of all factors of the number 515,480 excluding 515,480?

A: 838,840

Why is 838,840 the sum of all factors of 515,480, excluding 515,480?

The factors of the number 515,480 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 263, 280, 392, 490, 526, 980, 1052, 1315, 1841, 1960, 2104, 2630, 3682, 5260, 7364, 9205, 10520, 12887, 14728, 18410, 25774, 36820, 51548, 64435, 73640, 103096, 128870, 257740, 515480.

If you add them up, you will get the total of 516,318. Now subtract 515,480 to get 838,840