40578490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:799

約数の個数: 48

約数和(自身を含む): 81784800

約数和(自身を除く): 41206310

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 289, 323, 578, 646, 739, 1445, 1478, 1615, 2890, 3230, 3695, 5491, 7390, 10982, 12563, 14041, 25126, 27455, 28082, 54910, 62815, 70205, 125630, 140410, 213571, 238697, 427142, 477394, 1067855, 1193485, 2135710, 2386970, 4057849, 8115698, 20289245, 40578490]

約数ペア:

[(1, 40578490), (2, 20289245), (5, 8115698), (10, 4057849), (17, 2386970), (19, 2135710), (34, 1193485), (38, 1067855), (85, 477394), (95, 427142), (170, 238697), (190, 213571), (289, 140410), (323, 125630), (578, 70205), (646, 62815), (739, 54910), (1445, 28082), (1478, 27455), (1615, 25126), (2890, 14041), (3230, 12563), (3695, 10982), (5491, 7390)]