31591340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3881}}^1$

素因数の和:3938

約数の個数: 48

約数和(自身を含む): 74348064

約数和(自身を除く): 42756724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 3881, 4070, 7762, 8140, 15524, 19405, 38810, 42691, 77620, 85382, 143597, 170764, 213455, 287194, 426910, 574388, 717985, 853820, 1435970, 1579567, 2871940, 3159134, 6318268, 7897835, 15795670, 31591340]

約数ペア:

[(1, 31591340), (2, 15795670), (4, 7897835), (5, 6318268), (10, 3159134), (11, 2871940), (20, 1579567), (22, 1435970), (37, 853820), (44, 717985), (55, 574388), (74, 426910), (110, 287194), (148, 213455), (185, 170764), (220, 143597), (370, 85382), (407, 77620), (740, 42691), (814, 38810), (1628, 19405), (2035, 15524), (3881, 8140), (4070, 7762)]