491796140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2235437}}^1$

素因数の和:2235457

約数の個数: 24

約数和(自身を含む): 1126660752

約数和(自身を除く): 634864612

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2235437, 4470874, 8941748, 11177185, 22354370, 24589807, 44708740, 49179614, 98359228, 122949035, 245898070, 491796140]

約数ペア:

[(1, 491796140), (2, 245898070), (4, 122949035), (5, 98359228), (10, 49179614), (11, 44708740), (20, 24589807), (22, 22354370), (44, 11177185), (55, 8941748), (110, 4470874), (220, 2235437)]