Q: What is the sum of all factors of the number 517,420 excluding 517,420?
A: 597,428
The factors of the number 517,420 are: 1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 631, 820, 1262, 2524, 3155, 6310, 12620, 25871, 51742, 103484, 129355, 258710, 517420.
If you add them up, you will get the total of 518,017. Now subtract 517,420 to get 597,428