71301580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509297}}^1$

素因数の和:509313

約数の個数: 24

約数和(自身を含む): 171124128

約数和(自身を除く): 99822548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509297, 1018594, 2037188, 2546485, 3565079, 5092970, 7130158, 10185940, 14260316, 17825395, 35650790, 71301580]

約数ペア:

[(1, 71301580), (2, 35650790), (4, 17825395), (5, 14260316), (7, 10185940), (10, 7130158), (14, 5092970), (20, 3565079), (28, 2546485), (35, 2037188), (70, 1018594), (140, 509297)]