168171140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{494621}}^1$

素因数の和:494647

約数の個数: 24

約数和(自身を含む): 373934232

約数和(自身を除く): 205763092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 494621, 989242, 1978484, 2473105, 4946210, 8408557, 9892420, 16817114, 33634228, 42042785, 84085570, 168171140]

約数ペア:

[(1, 168171140), (2, 84085570), (4, 42042785), (5, 33634228), (10, 16817114), (17, 9892420), (20, 8408557), (34, 4946210), (68, 2473105), (85, 1978484), (170, 989242), (340, 494621)]