Q: What is the sum of all factors of the number 352,401,780 excluding 352,401,780?

A: 636,990,540

Why is 636,990,540 the sum of all factors of 352,401,780, excluding 352,401,780?

The factors of the number 352,401,780 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 379, 758, 1137, 1516, 1895, 2274, 3790, 4548, 5685, 7580, 11370, 15497, 22740, 30994, 46491, 61988, 77485, 92982, 154970, 185964, 232455, 309940, 464910, 929820, 5873363, 11746726, 17620089, 23493452, 29366815, 35240178, 58733630, 70480356, 88100445, 117467260, 176200890, 352401780.

If you add them up, you will get the total of 352,402,416. Now subtract 352,401,780 to get 636,990,540