31009700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:114

約数の個数: 108

約数和(自身を含む): 75945660

約数和(自身を除く): 44935960

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 29, 34, 37, 50, 58, 68, 74, 85, 100, 116, 145, 148, 170, 185, 289, 290, 340, 370, 425, 493, 578, 580, 629, 725, 740, 850, 925, 986, 1073, 1156, 1258, 1445, 1450, 1700, 1850, 1972, 2146, 2465, 2516, 2890, 2900, 3145, 3700, 4292, 4930, 5365, 5780, 6290, 7225, 8381, 9860, 10693, 10730, 12325, 12580, 14450, 15725, 16762, 18241, 21386, 21460, 24650, 26825, 28900, 31450, 33524, 36482, 41905, 42772, 49300, 53465, 53650, 62900, 72964, 83810, 91205, 106930, 107300, 167620, 182410, 209525, 213860, 267325, 310097, 364820, 419050, 456025, 534650, 620194, 838100, 912050, 1069300, 1240388, 1550485, 1824100, 3100970, 6201940, 7752425, 15504850, 31009700]

約数ペア:

[(1, 31009700), (2, 15504850), (4, 7752425), (5, 6201940), (10, 3100970), (17, 1824100), (20, 1550485), (25, 1240388), (29, 1069300), (34, 912050), (37, 838100), (50, 620194), (58, 534650), (68, 456025), (74, 419050), (85, 364820), (100, 310097), (116, 267325), (145, 213860), (148, 209525), (170, 182410), (185, 167620), (289, 107300), (290, 106930), (340, 91205), (370, 83810), (425, 72964), (493, 62900), (578, 53650), (580, 53465), (629, 49300), (725, 42772), (740, 41905), (850, 36482), (925, 33524), (986, 31450), (1073, 28900), (1156, 26825), (1258, 24650), (1445, 21460), (1450, 21386), (1700, 18241), (1850, 16762), (1972, 15725), (2146, 14450), (2465, 12580), (2516, 12325), (2890, 10730), (2900, 10693), (3145, 9860), (3700, 8381), (4292, 7225), (4930, 6290), (5365, 5780)]