400181045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{659}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 536215680

約数和(自身を除く): 136034635

約数列:

[1, 5, 11, 55, 61, 181, 305, 659, 671, 905, 1991, 3295, 3355, 7249, 9955, 11041, 36245, 40199, 55205, 119279, 121451, 200995, 442189, 596395, 607255, 1312069, 2210945, 6560345, 7276019, 36380095, 80036209, 400181045]

約数ペア:

[(1, 400181045), (5, 80036209), (11, 36380095), (55, 7276019), (61, 6560345), (181, 2210945), (305, 1312069), (659, 607255), (671, 596395), (905, 442189), (1991, 200995), (3295, 121451), (3355, 119279), (7249, 55205), (9955, 40199), (11041, 36245)]