90402770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 179625600

約数和(自身を除く): 89222830

約数列:

[1, 2, 5, 10, 17, 34, 43, 83, 85, 86, 149, 166, 170, 215, 298, 415, 430, 731, 745, 830, 1411, 1462, 1490, 2533, 2822, 3569, 3655, 5066, 6407, 7055, 7138, 7310, 12367, 12665, 12814, 14110, 17845, 24734, 25330, 32035, 35690, 60673, 61835, 64070, 108919, 121346, 123670, 210239, 217838, 303365, 420478, 531781, 544595, 606730, 1051195, 1063562, 1089190, 2102390, 2658905, 5317810, 9040277, 18080554, 45201385, 90402770]

約数ペア:

[(1, 90402770), (2, 45201385), (5, 18080554), (10, 9040277), (17, 5317810), (34, 2658905), (43, 2102390), (83, 1089190), (85, 1063562), (86, 1051195), (149, 606730), (166, 544595), (170, 531781), (215, 420478), (298, 303365), (415, 217838), (430, 210239), (731, 123670), (745, 121346), (830, 108919), (1411, 64070), (1462, 61835), (1490, 60673), (2533, 35690), (2822, 32035), (3569, 25330), (3655, 24734), (5066, 17845), (6407, 14110), (7055, 12814), (7138, 12665), (7310, 12367)]