155971480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{557041}}^1$

素因数の和:557059

約数の個数: 32

約数和(自身を含む): 401070240

約数和(自身を除く): 245098760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 557041, 1114082, 2228164, 2785205, 3899287, 4456328, 5570410, 7798574, 11140820, 15597148, 19496435, 22281640, 31194296, 38992870, 77985740, 155971480]

約数ペア:

[(1, 155971480), (2, 77985740), (4, 38992870), (5, 31194296), (7, 22281640), (8, 19496435), (10, 15597148), (14, 11140820), (20, 7798574), (28, 5570410), (35, 4456328), (40, 3899287), (56, 2785205), (70, 2228164), (140, 1114082), (280, 557041)]