890409310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{12720133}}^1$

素因数の和:12720147

約数の個数: 16

約数和(自身を含む): 1831699296

約数和(自身を除く): 941289986

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 12720133, 25440266, 63600665, 89040931, 127201330, 178081862, 445204655, 890409310]

約数ペア:

[(1, 890409310), (2, 445204655), (5, 178081862), (7, 127201330), (10, 89040931), (14, 63600665), (35, 25440266), (70, 12720133)]