Q: What is the sum of all factors of the number 628,340 excluding 628,340?
A: 709,780
The factors of the number 628,340 are: 1, 2, 4, 5, 10, 20, 89, 178, 353, 356, 445, 706, 890, 1412, 1765, 1780, 3530, 7060, 31417, 62834, 125668, 157085, 314170, 628340.
If you add them up, you will get the total of 629,049. Now subtract 628,340 to get 709,780