194293780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1439}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 420456960

約数和(自身を除く): 226163180

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 157, 172, 215, 314, 430, 628, 785, 860, 1439, 1570, 2878, 3140, 5756, 6751, 7195, 13502, 14390, 27004, 28780, 33755, 61877, 67510, 123754, 135020, 225923, 247508, 309385, 451846, 618770, 903692, 1129615, 1237540, 2259230, 4518460, 9714689, 19429378, 38858756, 48573445, 97146890, 194293780]

約数ペア:

[(1, 194293780), (2, 97146890), (4, 48573445), (5, 38858756), (10, 19429378), (20, 9714689), (43, 4518460), (86, 2259230), (157, 1237540), (172, 1129615), (215, 903692), (314, 618770), (430, 451846), (628, 309385), (785, 247508), (860, 225923), (1439, 135020), (1570, 123754), (2878, 67510), (3140, 61877), (5756, 33755), (6751, 28780), (7195, 27004), (13502, 14390)]