Q: What is the sum of all factors of the number 245,960 excluding 245,960?

A: 419,320

Why is 419,320 the sum of all factors of 245,960, excluding 245,960?

The factors of the number 245,960 are: 1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 43, 44, 52, 55, 65, 86, 88, 104, 110, 130, 143, 172, 215, 220, 260, 286, 344, 430, 440, 473, 520, 559, 572, 715, 860, 946, 1118, 1144, 1430, 1720, 1892, 2236, 2365, 2795, 2860, 3784, 4472, 4730, 5590, 5720, 6149, 9460, 11180, 12298, 18920, 22360, 24596, 30745, 49192, 61490, 122980, 245960.

If you add them up, you will get the total of 246,379. Now subtract 245,960 to get 419,320