Q: What is the sum of all factors of the number 423,002,420 excluding 423,002,420?
A: 465,302,704
The factors of the number 423,002,420 are: 1, 2, 4, 5, 10, 20, 21150121, 42300242, 84600484, 105750605, 211501210, 423002420.
If you add them up, you will get the total of 423,002,885. Now subtract 423,002,420 to get 465,302,704