72338840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{258353}}^1$

素因数の和:258371

約数の個数: 32

約数和(自身を含む): 186014880

約数和(自身を除く): 113676040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 258353, 516706, 1033412, 1291765, 1808471, 2066824, 2583530, 3616942, 5167060, 7233884, 9042355, 10334120, 14467768, 18084710, 36169420, 72338840]

約数ペア:

[(1, 72338840), (2, 36169420), (4, 18084710), (5, 14467768), (7, 10334120), (8, 9042355), (10, 7233884), (14, 5167060), (20, 3616942), (28, 2583530), (35, 2066824), (40, 1808471), (56, 1291765), (70, 1033412), (140, 516706), (280, 258353)]