339698920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{3919}}^1$

素因数の和:4138

約数の個数: 64

約数和(自身を含む): 838252800

約数和(自身を除く): 498553880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 788, 985, 1576, 1970, 2167, 3919, 3940, 4334, 7838, 7880, 8668, 10835, 15676, 17336, 19595, 21670, 31352, 39190, 43109, 43340, 78380, 86218, 86680, 156760, 172436, 215545, 344872, 431090, 772043, 862180, 1544086, 1724360, 3088172, 3860215, 6176344, 7720430, 8492473, 15440860, 16984946, 30881720, 33969892, 42462365, 67939784, 84924730, 169849460, 339698920]

約数ペア:

[(1, 339698920), (2, 169849460), (4, 84924730), (5, 67939784), (8, 42462365), (10, 33969892), (11, 30881720), (20, 16984946), (22, 15440860), (40, 8492473), (44, 7720430), (55, 6176344), (88, 3860215), (110, 3088172), (197, 1724360), (220, 1544086), (394, 862180), (440, 772043), (788, 431090), (985, 344872), (1576, 215545), (1970, 172436), (2167, 156760), (3919, 86680), (3940, 86218), (4334, 78380), (7838, 43340), (7880, 43109), (8668, 39190), (10835, 31352), (15676, 21670), (17336, 19595)]