Q: What is the sum of all factors of the number 390,402 excluding 390,402?
A: 515,412
The factors of the number 390,402 are: 1, 2, 3, 6, 9, 18, 23, 41, 46, 69, 82, 123, 138, 207, 246, 369, 414, 529, 738, 943, 1058, 1587, 1886, 2829, 3174, 4761, 5658, 8487, 9522, 16974, 21689, 43378, 65067, 130134, 195201, 390402.
If you add them up, you will get the total of 390,917. Now subtract 390,402 to get 515,412