Q: What is the sum of all factors of the number 123,870 excluding 123,870?
A: 173,490
The factors of the number 123,870 are: 1, 2, 3, 5, 6, 10, 15, 30, 4129, 8258, 12387, 20645, 24774, 41290, 61935, 123870.
If you add them up, you will get the total of 124,043. Now subtract 123,870 to get 173,490