Q: What is the sum of all factors of the number 4,171,380 excluding 4,171,380?

A: 7,830,540

Why is 7,830,540 the sum of all factors of 4,171,380, excluding 4,171,380?

The factors of the number 4,171,380 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 1879, 2220, 3758, 5637, 7516, 9395, 11274, 18790, 22548, 28185, 37580, 56370, 69523, 112740, 139046, 208569, 278092, 347615, 417138, 695230, 834276, 1042845, 1390460, 2085690, 4171380.

If you add them up, you will get the total of 4,171,387. Now subtract 4,171,380 to get 7,830,540