79009420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{564353}}^1$

素因数の和:564369

約数の個数: 24

約数和(自身を含む): 189622944

約数和(自身を除く): 110613524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 564353, 1128706, 2257412, 2821765, 3950471, 5643530, 7900942, 11287060, 15801884, 19752355, 39504710, 79009420]

約数ペア:

[(1, 79009420), (2, 39504710), (4, 19752355), (5, 15801884), (7, 11287060), (10, 7900942), (14, 5643530), (20, 3950471), (28, 2821765), (35, 2257412), (70, 1128706), (140, 564353)]