178668820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{7187}}^1$

素因数の和:7320

約数の個数: 48

約数和(自身を含む): 412993728

約数和(自身を除く): 234324908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1130, 1243, 2260, 2486, 4972, 6215, 7187, 12430, 14374, 24860, 28748, 35935, 71870, 79057, 143740, 158114, 316228, 395285, 790570, 812131, 1581140, 1624262, 3248524, 4060655, 8121310, 8933441, 16242620, 17866882, 35733764, 44667205, 89334410, 178668820]

約数ペア:

[(1, 178668820), (2, 89334410), (4, 44667205), (5, 35733764), (10, 17866882), (11, 16242620), (20, 8933441), (22, 8121310), (44, 4060655), (55, 3248524), (110, 1624262), (113, 1581140), (220, 812131), (226, 790570), (452, 395285), (565, 316228), (1130, 158114), (1243, 143740), (2260, 79057), (2486, 71870), (4972, 35935), (6215, 28748), (7187, 24860), (12430, 14374)]