Q: What is the sum of all factors of the number 72,390 excluding 72,390?
A: 111,930
The factors of the number 72,390 are: 1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 127, 190, 254, 285, 381, 570, 635, 762, 1270, 1905, 2413, 3810, 4826, 7239, 12065, 14478, 24130, 36195, 72390.
If you add them up, you will get the total of 72,501. Now subtract 72,390 to get 111,930