Q: What is the sum of all factors of the number 257,240 excluding 257,240?
A: 336,760
The factors of the number 257,240 are: 1, 2, 4, 5, 8, 10, 20, 40, 59, 109, 118, 218, 236, 295, 436, 472, 545, 590, 872, 1090, 1180, 2180, 2360, 4360, 6431, 12862, 25724, 32155, 51448, 64310, 128620, 257240.
If you add them up, you will get the total of 257,576. Now subtract 257,240 to get 336,760