122198020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{872843}}^1$

素因数の和:872859

約数の個数: 24

約数和(自身を含む): 293275584

約数和(自身を除く): 171077564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 872843, 1745686, 3491372, 4364215, 6109901, 8728430, 12219802, 17456860, 24439604, 30549505, 61099010, 122198020]

約数ペア:

[(1, 122198020), (2, 61099010), (4, 30549505), (5, 24439604), (7, 17456860), (10, 12219802), (14, 8728430), (20, 6109901), (28, 4364215), (35, 3491372), (70, 1745686), (140, 872843)]