Q: What is the sum of all factors of the number 121,005,030 excluding 121,005,030?

A: 169,867,770

Why is 169,867,770 the sum of all factors of 121,005,030, excluding 121,005,030?

The factors of the number 121,005,030 are: 1, 2, 3, 5, 6, 10, 15, 30, 709, 1418, 2127, 3545, 4254, 5689, 7090, 10635, 11378, 17067, 21270, 28445, 34134, 56890, 85335, 170670, 4033501, 8067002, 12100503, 20167505, 24201006, 40335010, 60502515, 121005030.

If you add them up, you will get the total of 121,005,199. Now subtract 121,005,030 to get 169,867,770