2019291160

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{463}}^1\times {\mathrm{1019}}^1$

素因数の和:1600

約数の個数: 64

約数和(自身を含む): 4600281600

約数和(自身を除く): 2580990440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 463, 535, 856, 926, 1019, 1070, 1852, 2038, 2140, 2315, 3704, 4076, 4280, 4630, 5095, 8152, 9260, 10190, 18520, 20380, 40760, 49541, 99082, 109033, 198164, 218066, 247705, 396328, 436132, 471797, 495410, 545165, 872264, 943594, 990820, 1090330, 1887188, 1981640, 2180660, 2358985, 3774376, 4361320, 4717970, 9435940, 18871880, 50482279, 100964558, 201929116, 252411395, 403858232, 504822790, 1009645580, 2019291160]

約数ペア:

[(1, 2019291160), (2, 1009645580), (4, 504822790), (5, 403858232), (8, 252411395), (10, 201929116), (20, 100964558), (40, 50482279), (107, 18871880), (214, 9435940), (428, 4717970), (463, 4361320), (535, 3774376), (856, 2358985), (926, 2180660), (1019, 1981640), (1070, 1887188), (1852, 1090330), (2038, 990820), (2140, 943594), (2315, 872264), (3704, 545165), (4076, 495410), (4280, 471797), (4630, 436132), (5095, 396328), (8152, 247705), (9260, 218066), (10190, 198164), (18520, 109033), (20380, 99082), (40760, 49541)]