Q: What is the sum of all factors of the number 135,744 excluding 135,744?

A: 278,784

Why is 278,784 the sum of all factors of 135,744, excluding 135,744?

The factors of the number 135,744 are: 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 101, 112, 168, 192, 202, 224, 303, 336, 404, 448, 606, 672, 707, 808, 1212, 1344, 1414, 1616, 2121, 2424, 2828, 3232, 4242, 4848, 5656, 6464, 8484, 9696, 11312, 16968, 19392, 22624, 33936, 45248, 67872, 135744.

If you add them up, you will get the total of 136,022. Now subtract 135,744 to get 278,784