Q: What is the sum of all factors of the number 1,240,020 excluding 1,240,020?

A: 2,567,238

Why is 2,567,238 the sum of all factors of 1,240,020, excluding 1,240,020?

The factors of the number 1,240,020 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 6889, 7470, 13778, 14940, 20667, 27556, 34445, 41334, 62001, 68890, 82668, 103335, 124002, 137780, 206670, 248004, 310005, 413340, 620010, 1240020.

If you add them up, you will get the total of 1,240,022. Now subtract 1,240,020 to get 2,567,238