Q: What is the sum of all factors of the number 247,820 excluding 247,820?
A: 272,644
The factors of the number 247,820 are: 1, 2, 4, 5, 10, 20, 12391, 24782, 49564, 61955, 123910, 247820.
If you add them up, you will get the total of 248,092. Now subtract 247,820 to get 272,644