Q: What is the sum of all factors of the number 339,240 excluding 339,240?

A: 775,320

Why is 775,320 the sum of all factors of 339,240, excluding 339,240?

The factors of the number 339,240 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, 257, 264, 330, 440, 514, 660, 771, 1028, 1285, 1320, 1542, 2056, 2570, 2827, 3084, 3855, 5140, 5654, 6168, 7710, 8481, 10280, 11308, 14135, 15420, 16962, 22616, 28270, 30840, 33924, 42405, 56540, 67848, 84810, 113080, 169620, 339240.

If you add them up, you will get the total of 340,015. Now subtract 339,240 to get 775,320