Q: What is the sum of all factors of the number 39,330 excluding 39,330?

A: 72,990

Why is 72,990 the sum of all factors of 39,330, excluding 39,330?

The factors of the number 39,330 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 23, 30, 38, 45, 46, 57, 69, 90, 95, 114, 115, 138, 171, 190, 207, 230, 285, 342, 345, 414, 437, 570, 690, 855, 874, 1035, 1311, 1710, 2070, 2185, 2622, 3933, 4370, 6555, 7866, 13110, 19665, 39330.

If you add them up, you will get the total of 39,402. Now subtract 39,330 to get 72,990