201217640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8999}}^1$

素因数の和:9066

約数の個数: 64

約数和(自身を含む): 498960000

約数和(自身を除く): 297742360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5590, 8999, 11180, 17998, 22360, 35996, 44995, 71992, 89990, 116987, 179980, 233974, 359960, 386957, 467948, 584935, 773914, 935896, 1169870, 1547828, 1934785, 2339740, 3095656, 3869570, 4679480, 5030441, 7739140, 10060882, 15478280, 20121764, 25152205, 40243528, 50304410, 100608820, 201217640]

約数ペア:

[(1, 201217640), (2, 100608820), (4, 50304410), (5, 40243528), (8, 25152205), (10, 20121764), (13, 15478280), (20, 10060882), (26, 7739140), (40, 5030441), (43, 4679480), (52, 3869570), (65, 3095656), (86, 2339740), (104, 1934785), (130, 1547828), (172, 1169870), (215, 935896), (260, 773914), (344, 584935), (430, 467948), (520, 386957), (559, 359960), (860, 233974), (1118, 179980), (1720, 116987), (2236, 89990), (2795, 71992), (4472, 44995), (5590, 35996), (8999, 22360), (11180, 17998)]