Q: What is the sum of all factors of the number 400,641,320 excluding 400,641,320?
A: 522,423,340
The factors of the number 400,641,320 are: 1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1849, 3698, 5417, 7396, 9245, 10834, 14792, 18490, 21668, 27085, 36980, 43336, 54170, 73960, 108340, 216680, 232931, 465862, 931724, 1164655, 1863448, 2329310, 4658620, 9317240, 10016033, 20032066, 40064132, 50080165, 80128264, 100160330, 200320660, 400641320.
If you add them up, you will get the total of 400,641,842. Now subtract 400,641,320 to get 522,423,340