214755280

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:508

約数の個数: 80

約数和(自身を含む): 512645760

約数和(自身を除く): 297890480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 173, 236, 263, 295, 346, 472, 526, 590, 692, 865, 944, 1052, 1180, 1315, 1384, 1730, 2104, 2360, 2630, 2768, 3460, 4208, 4720, 5260, 6920, 10207, 10520, 13840, 15517, 20414, 21040, 31034, 40828, 45499, 51035, 62068, 77585, 81656, 90998, 102070, 124136, 155170, 163312, 181996, 204140, 227495, 248272, 310340, 363992, 408280, 454990, 620680, 727984, 816560, 909980, 1241360, 1819960, 2684441, 3639920, 5368882, 10737764, 13422205, 21475528, 26844410, 42951056, 53688820, 107377640, 214755280]

約数ペア:

[(1, 214755280), (2, 107377640), (4, 53688820), (5, 42951056), (8, 26844410), (10, 21475528), (16, 13422205), (20, 10737764), (40, 5368882), (59, 3639920), (80, 2684441), (118, 1819960), (173, 1241360), (236, 909980), (263, 816560), (295, 727984), (346, 620680), (472, 454990), (526, 408280), (590, 363992), (692, 310340), (865, 248272), (944, 227495), (1052, 204140), (1180, 181996), (1315, 163312), (1384, 155170), (1730, 124136), (2104, 102070), (2360, 90998), (2630, 81656), (2768, 77585), (3460, 62068), (4208, 51035), (4720, 45499), (5260, 40828), (6920, 31034), (10207, 21040), (10520, 20414), (13840, 15517)]