139867820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1579}}^1$

素因数の和:1734

約数の個数: 48

約数和(自身を含む): 303663360

約数和(自身を除く): 163795540

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 103, 172, 206, 215, 412, 430, 515, 860, 1030, 1579, 2060, 3158, 4429, 6316, 7895, 8858, 15790, 17716, 22145, 31580, 44290, 67897, 88580, 135794, 162637, 271588, 325274, 339485, 650548, 678970, 813185, 1357940, 1626370, 3252740, 6993391, 13986782, 27973564, 34966955, 69933910, 139867820]

約数ペア:

[(1, 139867820), (2, 69933910), (4, 34966955), (5, 27973564), (10, 13986782), (20, 6993391), (43, 3252740), (86, 1626370), (103, 1357940), (172, 813185), (206, 678970), (215, 650548), (412, 339485), (430, 325274), (515, 271588), (860, 162637), (1030, 135794), (1579, 88580), (2060, 67897), (3158, 44290), (4429, 31580), (6316, 22145), (7895, 17716), (8858, 15790)]