77118020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{550843}}^1$

素因数の和:550859

約数の個数: 24

約数和(自身を含む): 185083584

約数和(自身を除く): 107965564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 550843, 1101686, 2203372, 2754215, 3855901, 5508430, 7711802, 11016860, 15423604, 19279505, 38559010, 77118020]

約数ペア:

[(1, 77118020), (2, 38559010), (4, 19279505), (5, 15423604), (7, 11016860), (10, 7711802), (14, 5508430), (20, 3855901), (28, 2754215), (35, 2203372), (70, 1101686), (140, 550843)]