Q: What is the sum of all factors of the number 277,970 excluding 277,970?

A: 380,398

Why is 380,398 the sum of all factors of 277,970, excluding 277,970?

The factors of the number 277,970 are: 1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 361, 385, 418, 665, 722, 770, 1045, 1330, 1463, 1805, 2090, 2527, 2926, 3610, 3971, 5054, 7315, 7942, 12635, 14630, 19855, 25270, 27797, 39710, 55594, 138985, 277970.

If you add them up, you will get the total of 278,350. Now subtract 277,970 to get 380,398