215028880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{244351}}^1$

素因数の和:244375

約数の個数: 40

約数和(自身を含む): 545393664

約数和(自身を除く): 330364784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 244351, 488702, 977404, 1221755, 1954808, 2443510, 2687861, 3909616, 4887020, 5375722, 9774040, 10751444, 13439305, 19548080, 21502888, 26878610, 43005776, 53757220, 107514440, 215028880]

約数ペア:

[(1, 215028880), (2, 107514440), (4, 53757220), (5, 43005776), (8, 26878610), (10, 21502888), (11, 19548080), (16, 13439305), (20, 10751444), (22, 9774040), (40, 5375722), (44, 4887020), (55, 3909616), (80, 2687861), (88, 2443510), (110, 1954808), (176, 1221755), (220, 977404), (440, 488702), (880, 244351)]