917263820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{41281}}^1$

素因数の和:41402

約数の個数: 48

約数和(自身を含む): 2122225056

約数和(自身を除く): 1204961236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 11110, 22220, 41281, 82562, 165124, 206405, 412810, 454091, 825620, 908182, 1816364, 2270455, 4169381, 4540910, 8338762, 9081820, 16677524, 20846905, 41693810, 45863191, 83387620, 91726382, 183452764, 229315955, 458631910, 917263820]

約数ペア:

[(1, 917263820), (2, 458631910), (4, 229315955), (5, 183452764), (10, 91726382), (11, 83387620), (20, 45863191), (22, 41693810), (44, 20846905), (55, 16677524), (101, 9081820), (110, 8338762), (202, 4540910), (220, 4169381), (404, 2270455), (505, 1816364), (1010, 908182), (1111, 825620), (2020, 454091), (2222, 412810), (4444, 206405), (5555, 165124), (11110, 82562), (22220, 41281)]