Q: What is the sum of all factors of the number 399,878 excluding 399,878?
A: 226,090
The factors of the number 399,878 are: 1, 2, 23, 46, 8693, 17386, 199939, 399878.
If you add them up, you will get the total of 400,104. Now subtract 399,878 to get 226,090