207279920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:582

約数の個数: 80

約数和(自身を含む): 498718080

約数和(自身を除く): 291438160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 239, 293, 296, 370, 478, 586, 592, 740, 956, 1172, 1195, 1465, 1480, 1912, 2344, 2390, 2930, 2960, 3824, 4688, 4780, 5860, 8843, 9560, 10841, 11720, 17686, 19120, 21682, 23440, 35372, 43364, 44215, 54205, 70027, 70744, 86728, 88430, 108410, 140054, 141488, 173456, 176860, 216820, 280108, 350135, 353720, 433640, 560216, 700270, 707440, 867280, 1120432, 1400540, 2590999, 2801080, 5181998, 5602160, 10363996, 12954995, 20727992, 25909990, 41455984, 51819980, 103639960, 207279920]

約数ペア:

[(1, 207279920), (2, 103639960), (4, 51819980), (5, 41455984), (8, 25909990), (10, 20727992), (16, 12954995), (20, 10363996), (37, 5602160), (40, 5181998), (74, 2801080), (80, 2590999), (148, 1400540), (185, 1120432), (239, 867280), (293, 707440), (296, 700270), (370, 560216), (478, 433640), (586, 353720), (592, 350135), (740, 280108), (956, 216820), (1172, 176860), (1195, 173456), (1465, 141488), (1480, 140054), (1912, 108410), (2344, 88430), (2390, 86728), (2930, 70744), (2960, 70027), (3824, 54205), (4688, 44215), (4780, 43364), (5860, 35372), (8843, 23440), (9560, 21682), (10841, 19120), (11720, 17686)]