Q: What is the sum of all factors of the number 386,390 excluding 386,390?
A: 309,130
The factors of the number 386,390 are: 1, 2, 5, 10, 38639, 77278, 193195, 386390.
If you add them up, you will get the total of 386,699. Now subtract 386,390 to get 309,130