31122100

素因数分解:

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

素因数の和:2392

約数の個数: 36

約数和(自身を含む): 68051200

約数和(自身を除く): 36929100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2239, 2780, 3475, 4478, 6950, 8956, 11195, 13900, 22390, 44780, 55975, 111950, 223900, 311221, 622442, 1244884, 1556105, 3112210, 6224420, 7780525, 15561050, 31122100]

約数ペア:

[(1, 31122100), (2, 15561050), (4, 7780525), (5, 6224420), (10, 3112210), (20, 1556105), (25, 1244884), (50, 622442), (100, 311221), (139, 223900), (278, 111950), (556, 55975), (695, 44780), (1390, 22390), (2239, 13900), (2780, 11195), (3475, 8956), (4478, 6950)]