31120460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{222289}}^1$

素因数の和:222305

約数の個数: 24

約数和(自身を含む): 74689440

約数和(自身を除く): 43568980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 222289, 444578, 889156, 1111445, 1556023, 2222890, 3112046, 4445780, 6224092, 7780115, 15560230, 31120460]

約数ペア:

[(1, 31120460), (2, 15560230), (4, 7780115), (5, 6224092), (7, 4445780), (10, 3112046), (14, 2222890), (20, 1556023), (28, 1111445), (35, 889156), (70, 444578), (140, 222289)]