129437140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{924551}}^1$

素因数の和:924567

約数の個数: 24

約数和(自身を含む): 310649472

約数和(自身を除く): 181212332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 924551, 1849102, 3698204, 4622755, 6471857, 9245510, 12943714, 18491020, 25887428, 32359285, 64718570, 129437140]

約数ペア:

[(1, 129437140), (2, 64718570), (4, 32359285), (5, 25887428), (7, 18491020), (10, 12943714), (14, 9245510), (20, 6471857), (28, 4622755), (35, 3698204), (70, 1849102), (140, 924551)]