105815140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2239}}^1$

素因数の和:2404

約数の個数: 48

約数和(自身を含む): 237081600

約数和(自身を除く): 131266460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 1390, 2239, 2363, 2780, 4478, 4726, 8956, 9452, 11195, 11815, 22390, 23630, 38063, 44780, 47260, 76126, 152252, 190315, 311221, 380630, 622442, 761260, 1244884, 1556105, 3112210, 5290757, 6224420, 10581514, 21163028, 26453785, 52907570, 105815140]

約数ペア:

[(1, 105815140), (2, 52907570), (4, 26453785), (5, 21163028), (10, 10581514), (17, 6224420), (20, 5290757), (34, 3112210), (68, 1556105), (85, 1244884), (139, 761260), (170, 622442), (278, 380630), (340, 311221), (556, 190315), (695, 152252), (1390, 76126), (2239, 47260), (2363, 44780), (2780, 38063), (4478, 23630), (4726, 22390), (8956, 11815), (9452, 11195)]