Q: What is the sum of all factors of the number 418,440 excluding 418,440?

A: 955,320

Why is 955,320 the sum of all factors of 418,440, excluding 418,440?

The factors of the number 418,440 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 317, 330, 440, 634, 660, 951, 1268, 1320, 1585, 1902, 2536, 3170, 3487, 3804, 4755, 6340, 6974, 7608, 9510, 10461, 12680, 13948, 17435, 19020, 20922, 27896, 34870, 38040, 41844, 52305, 69740, 83688, 104610, 139480, 209220, 418440.

If you add them up, you will get the total of 419,395. Now subtract 418,440 to get 955,320