Q: What is the sum of all factors of the number 400,677,270 excluding 400,677,270?

A: 698,323,818

Why is 698,323,818 the sum of all factors of 400,677,270, excluding 400,677,270?

The factors of the number 400,677,270 are: 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1907987, 3815974, 5723961, 9539935, 11447922, 13355909, 19079870, 26711818, 28619805, 40067727, 57239610, 66779545, 80135454, 133559090, 200338635, 400677270.

If you add them up, you will get the total of 400,677,968. Now subtract 400,677,270 to get 698,323,818