Q: What is the sum of all factors of the number 121,667,220 excluding 121,667,220?

A: 247,390,560

Why is 247,390,560 the sum of all factors of 121,667,220, excluding 121,667,220?

The factors of the number 121,667,220 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 675929, 1351858, 2027787, 2703716, 3379645, 4055574, 6083361, 6759290, 8111148, 10138935, 12166722, 13518580, 20277870, 24333444, 30416805, 40555740, 60833610, 121667220.

If you add them up, you will get the total of 121,667,467. Now subtract 121,667,220 to get 247,390,560