211559920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18493}}^1$

素因数の和:18530

約数の個数: 80

約数和(自身を含む): 577900512

約数和(自身を除く): 366340592

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 18493, 36986, 73972, 92465, 147944, 184930, 203423, 240409, 295888, 369860, 406846, 480818, 739720, 813692, 961636, 1017115, 1202045, 1479440, 1627384, 1923272, 2034230, 2404090, 2644499, 3254768, 3846544, 4068460, 4808180, 5288998, 8136920, 9616360, 10577996, 13222495, 16273840, 19232720, 21155992, 26444990, 42311984, 52889980, 105779960, 211559920]

約数ペア:

[(1, 211559920), (2, 105779960), (4, 52889980), (5, 42311984), (8, 26444990), (10, 21155992), (11, 19232720), (13, 16273840), (16, 13222495), (20, 10577996), (22, 9616360), (26, 8136920), (40, 5288998), (44, 4808180), (52, 4068460), (55, 3846544), (65, 3254768), (80, 2644499), (88, 2404090), (104, 2034230), (110, 1923272), (130, 1627384), (143, 1479440), (176, 1202045), (208, 1017115), (220, 961636), (260, 813692), (286, 739720), (440, 480818), (520, 406846), (572, 369860), (715, 295888), (880, 240409), (1040, 203423), (1144, 184930), (1430, 147944), (2288, 92465), (2860, 73972), (5720, 36986), (11440, 18493)]