Q: What is the sum of all factors of the number 89,910 excluding 89,910?

A: 159,066

Why is 159,066 the sum of all factors of 89,910, excluding 89,910?

The factors of the number 89,910 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 81, 90, 111, 135, 162, 185, 222, 243, 270, 333, 370, 405, 486, 555, 666, 810, 999, 1110, 1215, 1665, 1998, 2430, 2997, 3330, 4995, 5994, 8991, 9990, 14985, 17982, 29970, 44955, 89910.

If you add them up, you will get the total of 90,069. Now subtract 89,910 to get 159,066