38780600

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1999}}^1$

素因数の和:2112

約数の個数: 48

約数和(自身を含む): 91140000

約数和(自身を除く): 52359400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1940, 1999, 2425, 3880, 3998, 4850, 7996, 9700, 9995, 15992, 19400, 19990, 39980, 49975, 79960, 99950, 193903, 199900, 387806, 399800, 775612, 969515, 1551224, 1939030, 3878060, 4847575, 7756120, 9695150, 19390300, 38780600]

約数ペア:

[(1, 38780600), (2, 19390300), (4, 9695150), (5, 7756120), (8, 4847575), (10, 3878060), (20, 1939030), (25, 1551224), (40, 969515), (50, 775612), (97, 399800), (100, 387806), (194, 199900), (200, 193903), (388, 99950), (485, 79960), (776, 49975), (970, 39980), (1940, 19990), (1999, 19400), (2425, 15992), (3880, 9995), (3998, 9700), (4850, 7996)]