66874360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{238837}}^1$

素因数の和:238855

約数の個数: 32

約数和(自身を含む): 171963360

約数和(自身を除く): 105089000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 238837, 477674, 955348, 1194185, 1671859, 1910696, 2388370, 3343718, 4776740, 6687436, 8359295, 9553480, 13374872, 16718590, 33437180, 66874360]

約数ペア:

[(1, 66874360), (2, 33437180), (4, 16718590), (5, 13374872), (7, 9553480), (8, 8359295), (10, 6687436), (14, 4776740), (20, 3343718), (28, 2388370), (35, 1910696), (40, 1671859), (56, 1194185), (70, 955348), (140, 477674), (280, 238837)]