Q: What is the sum of all factors of the number 257,220 excluding 257,220?
A: 523,560
The factors of the number 257,220 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1429, 2858, 4287, 5716, 7145, 8574, 12861, 14290, 17148, 21435, 25722, 28580, 42870, 51444, 64305, 85740, 128610, 257220.
If you add them up, you will get the total of 257,743. Now subtract 257,220 to get 523,560