55340180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{395287}}^1$

素因数の和:395303

約数の個数: 24

約数和(自身を含む): 132816768

約数和(自身を除く): 77476588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 395287, 790574, 1581148, 1976435, 2767009, 3952870, 5534018, 7905740, 11068036, 13835045, 27670090, 55340180]

約数ペア:

[(1, 55340180), (2, 27670090), (4, 13835045), (5, 11068036), (7, 7905740), (10, 5534018), (14, 3952870), (20, 2767009), (28, 1976435), (35, 1581148), (70, 790574), (140, 395287)]