Q: What is the sum of all factors of the number 212,505 excluding 212,505?
A: 139,239
The factors of the number 212,505 are: 1, 3, 5, 15, 31, 93, 155, 457, 465, 1371, 2285, 6855, 14167, 42501, 70835, 212505.
If you add them up, you will get the total of 212,644. Now subtract 212,505 to get 139,239