4193140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 10249344

約数和(自身を除く): 6056204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 491, 610, 854, 982, 1220, 1708, 1964, 2135, 2455, 3437, 4270, 4910, 6874, 8540, 9820, 13748, 17185, 29951, 34370, 59902, 68740, 119804, 149755, 209657, 299510, 419314, 599020, 838628, 1048285, 2096570, 4193140]

約数ペア:

[(1, 4193140), (2, 2096570), (4, 1048285), (5, 838628), (7, 599020), (10, 419314), (14, 299510), (20, 209657), (28, 149755), (35, 119804), (61, 68740), (70, 59902), (122, 34370), (140, 29951), (244, 17185), (305, 13748), (427, 9820), (491, 8540), (610, 6874), (854, 4910), (982, 4270), (1220, 3437), (1708, 2455), (1964, 2135)]