Q: What is the sum of all factors of the number 263,420 excluding 263,420?
A: 289,804
The factors of the number 263,420 are: 1, 2, 4, 5, 10, 20, 13171, 26342, 52684, 65855, 131710, 263420.
If you add them up, you will get the total of 263,709. Now subtract 263,420 to get 289,804