Q: What is the sum of all factors of the number 509,078 excluding 509,078?
A: 257,842
The factors of the number 509,078 are: 1, 2, 331, 662, 769, 1538, 254539, 509078.
If you add them up, you will get the total of 509,335. Now subtract 509,078 to get 257,842