169849460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{3919}}^1$

素因数の和:4136

約数の個数: 48

約数和(自身を含む): 391184640

約数和(自身を除く): 221335180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1970, 2167, 3919, 3940, 4334, 7838, 8668, 10835, 15676, 19595, 21670, 39190, 43109, 43340, 78380, 86218, 172436, 215545, 431090, 772043, 862180, 1544086, 3088172, 3860215, 7720430, 8492473, 15440860, 16984946, 33969892, 42462365, 84924730, 169849460]

約数ペア:

[(1, 169849460), (2, 84924730), (4, 42462365), (5, 33969892), (10, 16984946), (11, 15440860), (20, 8492473), (22, 7720430), (44, 3860215), (55, 3088172), (110, 1544086), (197, 862180), (220, 772043), (394, 431090), (788, 215545), (985, 172436), (1970, 86218), (2167, 78380), (3919, 43340), (3940, 43109), (4334, 39190), (7838, 21670), (8668, 19595), (10835, 15676)]