Q: What is the sum of all factors of the number 389,390 excluding 389,390?
A: 342,418
The factors of the number 389,390 are: 1, 2, 5, 10, 23, 46, 115, 230, 1693, 3386, 8465, 16930, 38939, 77878, 194695, 389390.
If you add them up, you will get the total of 389,732. Now subtract 389,390 to get 342,418