138853180

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 296239104

約数和(自身を除く): 157385924

約数列:

[1, 2, 4, 5, 10, 20, 163, 191, 223, 326, 382, 446, 652, 764, 815, 892, 955, 1115, 1630, 1910, 2230, 3260, 3820, 4460, 31133, 36349, 42593, 62266, 72698, 85186, 124532, 145396, 155665, 170372, 181745, 212965, 311330, 363490, 425930, 622660, 726980, 851860, 6942659, 13885318, 27770636, 34713295, 69426590, 138853180]

約数ペア:

[(1, 138853180), (2, 69426590), (4, 34713295), (5, 27770636), (10, 13885318), (20, 6942659), (163, 851860), (191, 726980), (223, 622660), (326, 425930), (382, 363490), (446, 311330), (652, 212965), (764, 181745), (815, 170372), (892, 155665), (955, 145396), (1115, 124532), (1630, 85186), (1910, 72698), (2230, 62266), (3260, 42593), (3820, 36349), (4460, 31133)]