Q: What is the sum of all factors of the number 351,054,420 excluding 351,054,420?

A: 689,721,708

Why is 689,721,708 the sum of all factors of 351,054,420, excluding 351,054,420?

The factors of the number 351,054,420 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 344171, 688342, 1032513, 1376684, 1720855, 2065026, 3441710, 4130052, 5162565, 5850907, 6883420, 10325130, 11701814, 17552721, 20650260, 23403628, 29254535, 35105442, 58509070, 70210884, 87763605, 117018140, 175527210, 351054420.

If you add them up, you will get the total of 351,055,109. Now subtract 351,054,420 to get 689,721,708