77985740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557041}}^1$

素因数の和:557057

約数の個数: 24

約数和(自身を含む): 187166112

約数和(自身を除く): 109180372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557041, 1114082, 2228164, 2785205, 3899287, 5570410, 7798574, 11140820, 15597148, 19496435, 38992870, 77985740]

約数ペア:

[(1, 77985740), (2, 38992870), (4, 19496435), (5, 15597148), (7, 11140820), (10, 7798574), (14, 5570410), (20, 3899287), (28, 2785205), (35, 2228164), (70, 1114082), (140, 557041)]