Q: What is the sum of all factors of the number 345,878 excluding 345,878?
A: 225,658
The factors of the number 345,878 are: 1, 2, 13, 26, 53, 106, 251, 502, 689, 1378, 3263, 6526, 13303, 26606, 172939, 345878.
If you add them up, you will get the total of 346,103. Now subtract 345,878 to get 225,658