339776980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{155861}}^1$

素因数の和:155979

約数の個数: 24

約数和(自身を含む): 720082440

約数和(自身を除く): 380305460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 155861, 311722, 623444, 779305, 1558610, 3117220, 16988849, 33977698, 67955396, 84944245, 169888490, 339776980]

約数ペア:

[(1, 339776980), (2, 169888490), (4, 84944245), (5, 67955396), (10, 33977698), (20, 16988849), (109, 3117220), (218, 1558610), (436, 779305), (545, 623444), (1090, 311722), (2180, 155861)]