Q: What is the sum of all factors of the number 390,678 excluding 390,678?
A: 473,322
The factors of the number 390,678 are: 1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 149, 298, 437, 447, 874, 894, 1311, 2622, 2831, 3427, 5662, 6854, 8493, 10281, 16986, 20562, 65113, 130226, 195339, 390678.
If you add them up, you will get the total of 391,151. Now subtract 390,678 to get 473,322