Q: What is the sum of all factors of the number 439,990 excluding 439,990?
A: 386,858
The factors of the number 439,990 are: 1, 2, 5, 10, 23, 46, 115, 230, 1913, 3826, 9565, 19130, 43999, 87998, 219995, 439990.
If you add them up, you will get the total of 440,376. Now subtract 439,990 to get 386,858