173121720220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^2\times {\mathrm{44741}}^1$

素因数の和:44939

約数の個数: 72

約数和(自身を含む): 380102260608

約数和(自身を除く): 206980540388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 2449, 4898, 6241, 9796, 12245, 12482, 24490, 24964, 31205, 44741, 48980, 62410, 89482, 124820, 178964, 193471, 223705, 386942, 447410, 773884, 894820, 967355, 1386971, 1934710, 2773942, 3534539, 3869420, 5547884, 6934855, 7069078, 13869710, 14138156, 17672695, 27739420, 35345390, 70690780, 109570709, 219141418, 279228581, 438282836, 547853545, 558457162, 1095707090, 1116914324, 1396142905, 2191414180, 2792285810, 5584571620, 8656086011, 17312172022, 34624344044, 43280430055, 86560860110, 173121720220]

約数ペア:

[(1, 173121720220), (2, 86560860110), (4, 43280430055), (5, 34624344044), (10, 17312172022), (20, 8656086011), (31, 5584571620), (62, 2792285810), (79, 2191414180), (124, 1396142905), (155, 1116914324), (158, 1095707090), (310, 558457162), (316, 547853545), (395, 438282836), (620, 279228581), (790, 219141418), (1580, 109570709), (2449, 70690780), (4898, 35345390), (6241, 27739420), (9796, 17672695), (12245, 14138156), (12482, 13869710), (24490, 7069078), (24964, 6934855), (31205, 5547884), (44741, 3869420), (48980, 3534539), (62410, 2773942), (89482, 1934710), (124820, 1386971), (178964, 967355), (193471, 894820), (223705, 773884), (386942, 447410)]