719620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3271}}^1$

素因数の和:3291

約数の個数: 24

約数和(自身を含む): 1649088

約数和(自身を除く): 929468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3271, 6542, 13084, 16355, 32710, 35981, 65420, 71962, 143924, 179905, 359810, 719620]

約数ペア:

[(1, 719620), (2, 359810), (4, 179905), (5, 143924), (10, 71962), (11, 65420), (20, 35981), (22, 32710), (44, 16355), (55, 13084), (110, 6542), (220, 3271)]