266958020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1906843}}^1$

素因数の和:1906859

約数の個数: 24

約数和(自身を含む): 640699584

約数和(自身を除く): 373741564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1906843, 3813686, 7627372, 9534215, 13347901, 19068430, 26695802, 38136860, 53391604, 66739505, 133479010, 266958020]

約数ペア:

[(1, 266958020), (2, 133479010), (4, 66739505), (5, 53391604), (7, 38136860), (10, 26695802), (14, 19068430), (20, 13347901), (28, 9534215), (35, 7627372), (70, 3813686), (140, 1906843)]