Q: What is the sum of all factors of the number 428,008 excluding 428,008?
A: 489,272
The factors of the number 428,008 are: 1, 2, 4, 7, 8, 14, 28, 56, 7643, 15286, 30572, 53501, 61144, 107002, 214004, 428008.
If you add them up, you will get the total of 428,497. Now subtract 428,008 to get 489,272