68697940

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{23053}}^1$

素因数の和:23211

約数の個数: 24

約数和(自身を含む): 145240200

約数和(自身を除く): 76542260

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 23053, 46106, 92212, 115265, 230530, 461060, 3434897, 6869794, 13739588, 17174485, 34348970, 68697940]

約数ペア:

[(1, 68697940), (2, 34348970), (4, 17174485), (5, 13739588), (10, 6869794), (20, 3434897), (149, 461060), (298, 230530), (596, 115265), (745, 92212), (1490, 46106), (2980, 23053)]