231398020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1652843}}^1$

素因数の和:1652859

約数の個数: 24

約数和(自身を含む): 555355584

約数和(自身を除く): 323957564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1652843, 3305686, 6611372, 8264215, 11569901, 16528430, 23139802, 33056860, 46279604, 57849505, 115699010, 231398020]

約数ペア:

[(1, 231398020), (2, 115699010), (4, 57849505), (5, 46279604), (7, 33056860), (10, 23139802), (14, 16528430), (20, 11569901), (28, 8264215), (35, 6611372), (70, 3305686), (140, 1652843)]