Q: What is the sum of all factors of the number 399,212 excluding 399,212?
A: 384,340
The factors of the number 399,212 are: 1, 2, 4, 11, 22, 43, 44, 86, 172, 211, 422, 473, 844, 946, 1892, 2321, 4642, 9073, 9284, 18146, 36292, 99803, 199606, 399212.
If you add them up, you will get the total of 399,596. Now subtract 399,212 to get 384,340