2261800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 5401440

約数和(自身を除く): 3139640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 263, 344, 430, 526, 860, 1052, 1075, 1315, 1720, 2104, 2150, 2630, 4300, 5260, 6575, 8600, 10520, 11309, 13150, 22618, 26300, 45236, 52600, 56545, 90472, 113090, 226180, 282725, 452360, 565450, 1130900, 2261800]

約数ペア:

[(1, 2261800), (2, 1130900), (4, 565450), (5, 452360), (8, 282725), (10, 226180), (20, 113090), (25, 90472), (40, 56545), (43, 52600), (50, 45236), (86, 26300), (100, 22618), (172, 13150), (200, 11309), (215, 10520), (263, 8600), (344, 6575), (430, 5260), (526, 4300), (860, 2630), (1052, 2150), (1075, 2104), (1315, 1720)]