Q: What is the sum of all factors of the number 1,220,976 excluding 1,220,976?

A: 2,277,064

Why is 2,277,064 the sum of all factors of 1,220,976, excluding 1,220,976?

The factors of the number 1,220,976 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 139, 144, 183, 244, 278, 366, 417, 488, 549, 556, 732, 834, 976, 1098, 1112, 1251, 1464, 1668, 2196, 2224, 2502, 2928, 3336, 4392, 5004, 6672, 8479, 8784, 10008, 16958, 20016, 25437, 33916, 50874, 67832, 76311, 101748, 135664, 152622, 203496, 305244, 406992, 610488, 1220976.

If you add them up, you will get the total of 1,220,978. Now subtract 1,220,976 to get 2,277,064