27657140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197551}}^1$

素因数の和:197567

約数の個数: 24

約数和(自身を含む): 66377472

約数和(自身を除く): 38720332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197551, 395102, 790204, 987755, 1382857, 1975510, 2765714, 3951020, 5531428, 6914285, 13828570, 27657140]

約数ペア:

[(1, 27657140), (2, 13828570), (4, 6914285), (5, 5531428), (7, 3951020), (10, 2765714), (14, 1975510), (20, 1382857), (28, 987755), (35, 790204), (70, 395102), (140, 197551)]