Q: What is the sum of all factors of the number 390,628 excluding 390,628?
A: 404,978
The factors of the number 390,628 are: 1, 2, 4, 7, 14, 28, 49, 98, 196, 1993, 3986, 7972, 13951, 27902, 55804, 97657, 195314, 390628.
If you add them up, you will get the total of 391,032. Now subtract 390,628 to get 404,978