Q: What is the sum of all factors of the number 258,220 excluding 258,220?
A: 284,084
The factors of the number 258,220 are: 1, 2, 4, 5, 10, 20, 12911, 25822, 51644, 64555, 129110, 258220.
If you add them up, you will get the total of 258,504. Now subtract 258,220 to get 284,084