Q: What is the sum of all factors of the number 1,680,440 excluding 1,680,440?
A: 2,192,440
The factors of the number 1,680,440 are: 1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 977, 1720, 1954, 3908, 4885, 7816, 9770, 19540, 39080, 42011, 84022, 168044, 210055, 336088, 420110, 840220, 1680440.
If you add them up, you will get the total of 1,680,442. Now subtract 1,680,440 to get 2,192,440