201819590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1451}}^1\times {\mathrm{1987}}^1$

素因数の和:3452

約数の個数: 32

約数和(自身を含む): 415666944

約数和(自身を除く): 213847354

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1451, 1987, 2902, 3974, 7255, 9935, 10157, 13909, 14510, 19870, 20314, 27818, 50785, 69545, 101570, 139090, 2883137, 5766274, 14415685, 20181959, 28831370, 40363918, 100909795, 201819590]

約数ペア:

[(1, 201819590), (2, 100909795), (5, 40363918), (7, 28831370), (10, 20181959), (14, 14415685), (35, 5766274), (70, 2883137), (1451, 139090), (1987, 101570), (2902, 69545), (3974, 50785), (7255, 27818), (9935, 20314), (10157, 19870), (13909, 14510)]