Q: What is the sum of all factors of the number 124,440 excluding 124,440?

A: 277,320

Why is 277,320 the sum of all factors of 124,440, excluding 124,440?

The factors of the number 124,440 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 61, 68, 85, 102, 120, 122, 136, 170, 183, 204, 244, 255, 305, 340, 366, 408, 488, 510, 610, 680, 732, 915, 1020, 1037, 1220, 1464, 1830, 2040, 2074, 2440, 3111, 3660, 4148, 5185, 6222, 7320, 8296, 10370, 12444, 15555, 20740, 24888, 31110, 41480, 62220, 124440.

If you add them up, you will get the total of 124,717. Now subtract 124,440 to get 277,320