Q: What is the sum of all factors of the number 100,120,035 excluding 100,120,035?

A: 72,818,205

Why is 72,818,205 the sum of all factors of 100,120,035, excluding 100,120,035?

The factors of the number 100,120,035 are: 1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 2001, 3335, 10005, 10007, 30021, 50035, 150105, 230161, 290203, 690483, 870609, 1150805, 1451015, 3452415, 4353045, 6674669, 20024007, 33373345, 100120035.

If you add them up, you will get the total of 100,120,107. Now subtract 100,120,035 to get 72,818,205