155608460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1111489}}^1$

素因数の和:1111505

約数の個数: 24

約数和(自身を含む): 373460640

約数和(自身を除く): 217852180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1111489, 2222978, 4445956, 5557445, 7780423, 11114890, 15560846, 22229780, 31121692, 38902115, 77804230, 155608460]

約数ペア:

[(1, 155608460), (2, 77804230), (4, 38902115), (5, 31121692), (7, 22229780), (10, 15560846), (14, 11114890), (20, 7780423), (28, 5557445), (35, 4445956), (70, 2222978), (140, 1111489)]