Q: What is the sum of all factors of the number 277,640,770 excluding 277,640,770?

A: 299,618,366

Why is 299,618,366 the sum of all factors of 277,640,770, excluding 277,640,770?

The factors of the number 277,640,770 are: 1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 148471, 296942, 742355, 1484710, 1633181, 2524007, 3266362, 5048014, 8165905, 12620035, 16331810, 25240070, 27764077, 55528154, 138820385, 277640770.

If you add them up, you will get the total of 277,641,069. Now subtract 277,640,770 to get 299,618,366