158018840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{564353}}^1$

素因数の和:564371

約数の個数: 32

約数和(自身を含む): 406334880

約数和(自身を除く): 248316040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 564353, 1128706, 2257412, 2821765, 3950471, 4514824, 5643530, 7900942, 11287060, 15801884, 19752355, 22574120, 31603768, 39504710, 79009420, 158018840]

約数ペア:

[(1, 158018840), (2, 79009420), (4, 39504710), (5, 31603768), (7, 22574120), (8, 19752355), (10, 15801884), (14, 11287060), (20, 7900942), (28, 5643530), (35, 4514824), (40, 3950471), (56, 2821765), (70, 2257412), (140, 1128706), (280, 564353)]