Q: What is the sum of all factors of the number 254,620,670 excluding 254,620,670?

A: 221,477,890

Why is 221,477,890 the sum of all factors of 254,620,670, excluding 254,620,670?

The factors of the number 254,620,670 are: 1, 2, 5, 10, 31, 62, 155, 163, 310, 326, 815, 1630, 5039, 5053, 10078, 10106, 25195, 25265, 50390, 50530, 156209, 312418, 781045, 821357, 1562090, 1642714, 4106785, 8213570, 25462067, 50924134, 127310335, 254620670.

If you add them up, you will get the total of 254,620,891. Now subtract 254,620,670 to get 221,477,890