1579820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 3725568

約数和(自身を除く): 2145748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 167, 172, 215, 220, 334, 430, 473, 668, 835, 860, 946, 1670, 1837, 1892, 2365, 3340, 3674, 4730, 7181, 7348, 9185, 9460, 14362, 18370, 28724, 35905, 36740, 71810, 78991, 143620, 157982, 315964, 394955, 789910, 1579820]

約数ペア:

[(1, 1579820), (2, 789910), (4, 394955), (5, 315964), (10, 157982), (11, 143620), (20, 78991), (22, 71810), (43, 36740), (44, 35905), (55, 28724), (86, 18370), (110, 14362), (167, 9460), (172, 9185), (215, 7348), (220, 7181), (334, 4730), (430, 3674), (473, 3340), (668, 2365), (835, 1892), (860, 1837), (946, 1670)]