217964180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1543}}^1$

素因数の和:2568

約数の個数: 48

約数和(自身を含む): 523971840

約数和(自身を除く): 306007660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1009, 1543, 2018, 3086, 4036, 5045, 6172, 7063, 7715, 10090, 10801, 14126, 15430, 20180, 21602, 28252, 30860, 35315, 43204, 54005, 70630, 108010, 141260, 216020, 1556887, 3113774, 6227548, 7784435, 10898209, 15568870, 21796418, 31137740, 43592836, 54491045, 108982090, 217964180]

約数ペア:

[(1, 217964180), (2, 108982090), (4, 54491045), (5, 43592836), (7, 31137740), (10, 21796418), (14, 15568870), (20, 10898209), (28, 7784435), (35, 6227548), (70, 3113774), (140, 1556887), (1009, 216020), (1543, 141260), (2018, 108010), (3086, 70630), (4036, 54005), (5045, 43204), (6172, 35315), (7063, 30860), (7715, 28252), (10090, 21602), (10801, 20180), (14126, 15430)]