90243670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19079}}^1$

素因数の和:19140

約数の個数: 32

約数和(自身を含む): 181336320

約数和(自身を除く): 91092650

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 19079, 38158, 95395, 190790, 209869, 419738, 820397, 1049345, 1640794, 2098690, 4101985, 8203970, 9024367, 18048734, 45121835, 90243670]

約数ペア:

[(1, 90243670), (2, 45121835), (5, 18048734), (10, 9024367), (11, 8203970), (22, 4101985), (43, 2098690), (55, 1640794), (86, 1049345), (110, 820397), (215, 419738), (430, 209869), (473, 190790), (946, 95395), (2365, 38158), (4730, 19079)]