71301020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509293}}^1$

素因数の和:509309

約数の個数: 24

約数和(自身を含む): 171122784

約数和(自身を除く): 99821764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509293, 1018586, 2037172, 2546465, 3565051, 5092930, 7130102, 10185860, 14260204, 17825255, 35650510, 71301020]

約数ペア:

[(1, 71301020), (2, 35650510), (4, 17825255), (5, 14260204), (7, 10185860), (10, 7130102), (14, 5092930), (20, 3565051), (28, 2546465), (35, 2037172), (70, 1018586), (140, 509293)]