168119620

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{31249}}^1$

素因数の和:31527

約数の個数: 24

約数和(自身を含む): 354375000

約数和(自身を除く): 186255380

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 31249, 62498, 124996, 156245, 312490, 624980, 8405981, 16811962, 33623924, 42029905, 84059810, 168119620]

約数ペア:

[(1, 168119620), (2, 84059810), (4, 42029905), (5, 33623924), (10, 16811962), (20, 8405981), (269, 624980), (538, 312490), (1076, 156245), (1345, 124996), (2690, 62498), (5380, 31249)]