775497140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{3557}}^1$

素因数の和:4568

約数の個数: 48

約数和(自身を含む): 1778886144

約数和(自身を除く): 1003389004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 991, 1982, 3557, 3964, 4955, 7114, 9910, 10901, 14228, 17785, 19820, 21802, 35570, 39127, 43604, 54505, 71140, 78254, 109010, 156508, 195635, 218020, 391270, 782540, 3524987, 7049974, 14099948, 17624935, 35249870, 38774857, 70499740, 77549714, 155099428, 193874285, 387748570, 775497140]

約数ペア:

[(1, 775497140), (2, 387748570), (4, 193874285), (5, 155099428), (10, 77549714), (11, 70499740), (20, 38774857), (22, 35249870), (44, 17624935), (55, 14099948), (110, 7049974), (220, 3524987), (991, 782540), (1982, 391270), (3557, 218020), (3964, 195635), (4955, 156508), (7114, 109010), (9910, 78254), (10901, 71140), (14228, 54505), (17785, 43604), (19820, 39127), (21802, 35570)]