1815089180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{757}}^1\times {\mathrm{1187}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 3857759136

約数和(自身を除く): 2042669956

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 757, 1010, 1187, 1514, 2020, 2374, 3028, 3785, 4748, 5935, 7570, 11870, 15140, 23740, 76457, 119887, 152914, 239774, 305828, 382285, 479548, 599435, 764570, 898559, 1198870, 1529140, 1797118, 2397740, 3594236, 4492795, 8985590, 17971180, 90754459, 181508918, 363017836, 453772295, 907544590, 1815089180]

約数ペア:

[(1, 1815089180), (2, 907544590), (4, 453772295), (5, 363017836), (10, 181508918), (20, 90754459), (101, 17971180), (202, 8985590), (404, 4492795), (505, 3594236), (757, 2397740), (1010, 1797118), (1187, 1529140), (1514, 1198870), (2020, 898559), (2374, 764570), (3028, 599435), (3785, 479548), (4748, 382285), (5935, 305828), (7570, 239774), (11870, 152914), (15140, 119887), (23740, 76457)]