217488740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{33053}}^1$

素因数の和:33116

約数の個数: 48

約数和(自身を含む): 533094912

約数和(自身を除く): 315606172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 33053, 66106, 132212, 165265, 231371, 330530, 462742, 661060, 925484, 1156855, 1553491, 2313710, 3106982, 4627420, 6213964, 7767455, 10874437, 15534910, 21748874, 31069820, 43497748, 54372185, 108744370, 217488740]

約数ペア:

[(1, 217488740), (2, 108744370), (4, 54372185), (5, 43497748), (7, 31069820), (10, 21748874), (14, 15534910), (20, 10874437), (28, 7767455), (35, 6213964), (47, 4627420), (70, 3106982), (94, 2313710), (140, 1553491), (188, 1156855), (235, 925484), (329, 661060), (470, 462742), (658, 330530), (940, 231371), (1316, 165265), (1645, 132212), (3290, 66106), (6580, 33053)]