291207620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{77863}}^1$

素因数の和:77900

約数の個数: 48

約数和(自身を含む): 706382208

約数和(自身を除く): 415174588

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 77863, 155726, 311452, 389315, 778630, 856493, 1323671, 1557260, 1712986, 2647342, 3425972, 4282465, 5294684, 6618355, 8564930, 13236710, 14560381, 17129860, 26473420, 29120762, 58241524, 72801905, 145603810, 291207620]

約数ペア:

[(1, 291207620), (2, 145603810), (4, 72801905), (5, 58241524), (10, 29120762), (11, 26473420), (17, 17129860), (20, 14560381), (22, 13236710), (34, 8564930), (44, 6618355), (55, 5294684), (68, 4282465), (85, 3425972), (110, 2647342), (170, 1712986), (187, 1557260), (220, 1323671), (340, 856493), (374, 778630), (748, 389315), (935, 311452), (1870, 155726), (3740, 77863)]