168351620

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{37747}}^1$

素因数の和:37979

約数の個数: 24

約数和(自身を含む): 355133184

約数和(自身を除く): 186781564

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 37747, 75494, 150988, 188735, 377470, 754940, 8417581, 16835162, 33670324, 42087905, 84175810, 168351620]

約数ペア:

[(1, 168351620), (2, 84175810), (4, 42087905), (5, 33670324), (10, 16835162), (20, 8417581), (223, 754940), (446, 377470), (892, 188735), (1115, 150988), (2230, 75494), (4460, 37747)]