27409340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{195781}}^1$

素因数の和:195797

約数の個数: 24

約数和(自身を含む): 65782752

約数和(自身を除く): 38373412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 195781, 391562, 783124, 978905, 1370467, 1957810, 2740934, 3915620, 5481868, 6852335, 13704670, 27409340]

約数ペア:

[(1, 27409340), (2, 13704670), (4, 6852335), (5, 5481868), (7, 3915620), (10, 2740934), (14, 1957810), (20, 1370467), (28, 978905), (35, 783124), (70, 391562), (140, 195781)]