Q: What is the sum of all factors of the number 420,423 excluding 420,423?
A: 143,145
The factors of the number 420,423 are: 1, 3, 353, 397, 1059, 1191, 140141, 420423.
If you add them up, you will get the total of 420,566. Now subtract 420,423 to get 143,145