Q: What is the sum of all factors of the number 386,220 excluding 386,220?

A: 728,628

Why is 728,628 the sum of all factors of 386,220, excluding 386,220?

The factors of the number 386,220 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 157, 164, 205, 246, 314, 410, 471, 492, 615, 628, 785, 820, 942, 1230, 1570, 1884, 2355, 2460, 3140, 4710, 6437, 9420, 12874, 19311, 25748, 32185, 38622, 64370, 77244, 96555, 128740, 193110, 386220.

If you add them up, you will get the total of 386,948. Now subtract 386,220 to get 728,628