168114580

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{449}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 359326800

約数和(自身を除く): 191212220

約数列:

[1, 2, 4, 5, 10, 20, 97, 193, 194, 386, 388, 449, 485, 772, 898, 965, 970, 1796, 1930, 1940, 2245, 3860, 4490, 8980, 18721, 37442, 43553, 74884, 86657, 87106, 93605, 173314, 174212, 187210, 217765, 346628, 374420, 433285, 435530, 866570, 871060, 1733140, 8405729, 16811458, 33622916, 42028645, 84057290, 168114580]

約数ペア:

[(1, 168114580), (2, 84057290), (4, 42028645), (5, 33622916), (10, 16811458), (20, 8405729), (97, 1733140), (193, 871060), (194, 866570), (386, 435530), (388, 433285), (449, 374420), (485, 346628), (772, 217765), (898, 187210), (965, 174212), (970, 173314), (1796, 93605), (1930, 87106), (1940, 86657), (2245, 74884), (3860, 43553), (4490, 37442), (8980, 18721)]