15391180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109937}}^1$

素因数の和:109953

約数の個数: 24

約数和(自身を含む): 36939168

約数和(自身を除く): 21547988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 109937, 219874, 439748, 549685, 769559, 1099370, 1539118, 2198740, 3078236, 3847795, 7695590, 15391180]

約数ペア:

[(1, 15391180), (2, 7695590), (4, 3847795), (5, 3078236), (7, 2198740), (10, 1539118), (14, 1099370), (20, 769559), (28, 549685), (35, 439748), (70, 219874), (140, 109937)]