263281340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1880581}}^1$

素因数の和:1880597

約数の個数: 24

約数和(自身を含む): 631875552

約数和(自身を除く): 368594212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1880581, 3761162, 7522324, 9402905, 13164067, 18805810, 26328134, 37611620, 52656268, 65820335, 131640670, 263281340]

約数ペア:

[(1, 263281340), (2, 131640670), (4, 65820335), (5, 52656268), (7, 37611620), (10, 26328134), (14, 18805810), (20, 13164067), (28, 9402905), (35, 7522324), (70, 3761162), (140, 1880581)]