68187980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487057}}^1$

素因数の和:487073

約数の個数: 24

約数和(自身を含む): 163651488

約数和(自身を除く): 95463508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487057, 974114, 1948228, 2435285, 3409399, 4870570, 6818798, 9741140, 13637596, 17046995, 34093990, 68187980]

約数ペア:

[(1, 68187980), (2, 34093990), (4, 17046995), (5, 13637596), (7, 9741140), (10, 6818798), (14, 4870570), (20, 3409399), (28, 2435285), (35, 1948228), (70, 974114), (140, 487057)]