219318620

素因数分解:

$2^2\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{5861}}^1$

素因数の和:7741

約数の個数: 24

約数和(自身を含む): 460893888

約数和(自身を除く): 241575268

約数列:

[1, 2, 4, 5, 10, 20, 1871, 3742, 5861, 7484, 9355, 11722, 18710, 23444, 29305, 37420, 58610, 117220, 10965931, 21931862, 43863724, 54829655, 109659310, 219318620]

約数ペア:

[(1, 219318620), (2, 109659310), (4, 54829655), (5, 43863724), (10, 21931862), (20, 10965931), (1871, 117220), (3742, 58610), (5861, 37420), (7484, 29305), (9355, 23444), (11722, 18710)]