164910910

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1\times {\mathrm{509}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 300736800

約数和(自身を除く): 135825890

約数列:

[1, 2, 5, 10, 179, 181, 358, 362, 509, 895, 905, 1018, 1790, 1810, 2545, 5090, 32399, 64798, 91111, 92129, 161995, 182222, 184258, 323990, 455555, 460645, 911110, 921290, 16491091, 32982182, 82455455, 164910910]

約数ペア:

[(1, 164910910), (2, 82455455), (5, 32982182), (10, 16491091), (179, 921290), (181, 911110), (358, 460645), (362, 455555), (509, 323990), (895, 184258), (905, 182222), (1018, 161995), (1790, 92129), (1810, 91111), (2545, 64798), (5090, 32399)]