Q: What is the sum of all factors of the number 307,870 excluding 307,870?
A: 279,218
The factors of the number 307,870 are: 1, 2, 5, 10, 17, 34, 85, 170, 1811, 3622, 9055, 18110, 30787, 61574, 153935, 307870.
If you add them up, you will get the total of 308,149. Now subtract 307,870 to get 279,218