4968220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 10977120

約数和(自身を除く): 6008900

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 109, 172, 212, 215, 218, 265, 430, 436, 530, 545, 860, 1060, 1090, 2180, 2279, 4558, 4687, 5777, 9116, 9374, 11395, 11554, 18748, 22790, 23108, 23435, 28885, 45580, 46870, 57770, 93740, 115540, 248411, 496822, 993644, 1242055, 2484110, 4968220]

約数ペア:

[(1, 4968220), (2, 2484110), (4, 1242055), (5, 993644), (10, 496822), (20, 248411), (43, 115540), (53, 93740), (86, 57770), (106, 46870), (109, 45580), (172, 28885), (212, 23435), (215, 23108), (218, 22790), (265, 18748), (430, 11554), (436, 11395), (530, 9374), (545, 9116), (860, 5777), (1060, 4687), (1090, 4558), (2180, 2279)]