38407000

素因数分解:

$2^3\times 5^3\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 90792000

約数和(自身を除く): 52385000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 193, 199, 200, 250, 386, 398, 500, 772, 796, 965, 995, 1000, 1544, 1592, 1930, 1990, 3860, 3980, 4825, 4975, 7720, 7960, 9650, 9950, 19300, 19900, 24125, 24875, 38407, 38600, 39800, 48250, 49750, 76814, 96500, 99500, 153628, 192035, 193000, 199000, 307256, 384070, 768140, 960175, 1536280, 1920350, 3840700, 4800875, 7681400, 9601750, 19203500, 38407000]

約数ペア:

[(1, 38407000), (2, 19203500), (4, 9601750), (5, 7681400), (8, 4800875), (10, 3840700), (20, 1920350), (25, 1536280), (40, 960175), (50, 768140), (100, 384070), (125, 307256), (193, 199000), (199, 193000), (200, 192035), (250, 153628), (386, 99500), (398, 96500), (500, 76814), (772, 49750), (796, 48250), (965, 39800), (995, 38600), (1000, 38407), (1544, 24875), (1592, 24125), (1930, 19900), (1990, 19300), (3860, 9950), (3980, 9650), (4825, 7960), (4975, 7720)]