Q: What is the sum of all factors of the number 261,550,260 excluding 261,550,260?

A: 531,819,408

Why is 531,819,408 the sum of all factors of 261,550,260, excluding 261,550,260?

The factors of the number 261,550,260 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1453057, 2906114, 4359171, 5812228, 7265285, 8718342, 13077513, 14530570, 17436684, 21795855, 26155026, 29061140, 43591710, 52310052, 65387565, 87183420, 130775130, 261550260.

If you add them up, you will get the total of 261,550,791. Now subtract 261,550,260 to get 531,819,408