Q: What is the sum of all factors of the number 620,870,272 excluding 620,870,272?

A: 728,467,328

Why is 728,467,328 the sum of all factors of 620,870,272, excluding 620,870,272?

The factors of the number 620,870,272 are: 1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 440959, 881918, 1763836, 3527672, 4850549, 7055344, 9701098, 14110688, 19402196, 28221376, 38804392, 56442752, 77608784, 155217568, 310435136, 620870272.

If you add them up, you will get the total of 620,871,000. Now subtract 620,870,272 to get 728,467,328