278867450

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2239}}^1$

素因数の和:2351

約数の個数: 48

約数和(自身を含む): 539965440

約数和(自身を除く): 261097990

約数列:

[1, 2, 5, 10, 25, 47, 50, 53, 94, 106, 235, 265, 470, 530, 1175, 1325, 2239, 2350, 2491, 2650, 4478, 4982, 11195, 12455, 22390, 24910, 55975, 62275, 105233, 111950, 118667, 124550, 210466, 237334, 526165, 593335, 1052330, 1186670, 2630825, 2966675, 5261650, 5577349, 5933350, 11154698, 27886745, 55773490, 139433725, 278867450]

約数ペア:

[(1, 278867450), (2, 139433725), (5, 55773490), (10, 27886745), (25, 11154698), (47, 5933350), (50, 5577349), (53, 5261650), (94, 2966675), (106, 2630825), (235, 1186670), (265, 1052330), (470, 593335), (530, 526165), (1175, 237334), (1325, 210466), (2239, 124550), (2350, 118667), (2491, 111950), (2650, 105233), (4478, 62275), (4982, 55975), (11195, 24910), (12455, 22390)]