747340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 1774080

約数和(自身を除く): 1026740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 79, 86, 110, 158, 172, 215, 220, 316, 395, 430, 473, 790, 860, 869, 946, 1580, 1738, 1892, 2365, 3397, 3476, 4345, 4730, 6794, 8690, 9460, 13588, 16985, 17380, 33970, 37367, 67940, 74734, 149468, 186835, 373670, 747340]

約数ペア:

[(1, 747340), (2, 373670), (4, 186835), (5, 149468), (10, 74734), (11, 67940), (20, 37367), (22, 33970), (43, 17380), (44, 16985), (55, 13588), (79, 9460), (86, 8690), (110, 6794), (158, 4730), (172, 4345), (215, 3476), (220, 3397), (316, 2365), (395, 1892), (430, 1738), (473, 1580), (790, 946), (860, 869)]