Q: What is the sum of all factors of the number 789,012 excluding 789,012?

A: 1,587,180

Why is 1,587,180 the sum of all factors of 789,012, excluding 789,012?

The factors of the number 789,012 are: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 101, 124, 126, 186, 202, 217, 252, 279, 303, 372, 404, 434, 558, 606, 651, 707, 868, 909, 1116, 1212, 1302, 1414, 1818, 1953, 2121, 2604, 2828, 3131, 3636, 3906, 4242, 6262, 6363, 7812, 8484, 9393, 12524, 12726, 18786, 21917, 25452, 28179, 37572, 43834, 56358, 65751, 87668, 112716, 131502, 197253, 263004, 394506, 789012.

If you add them up, you will get the total of 789,013. Now subtract 789,012 to get 1,587,180