Q: What is the sum of all factors of the number 138,985 excluding 138,985?
A: 80,471
The factors of the number 138,985 are: 1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 361, 385, 665, 1045, 1463, 1805, 2527, 3971, 7315, 12635, 19855, 27797, 138985.
If you add them up, you will get the total of 139,065. Now subtract 138,985 to get 80,471