77982940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557021}}^1$

素因数の和:557037

約数の個数: 24

約数和(自身を含む): 187159392

約数和(自身を除く): 109176452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557021, 1114042, 2228084, 2785105, 3899147, 5570210, 7798294, 11140420, 15596588, 19495735, 38991470, 77982940]

約数ペア:

[(1, 77982940), (2, 38991470), (4, 19495735), (5, 15596588), (7, 11140420), (10, 7798294), (14, 5570210), (20, 3899147), (28, 2785105), (35, 2228084), (70, 1114042), (140, 557021)]