38822200

素因数分解:

$2^3\times 5^2\times {\mathrm{389}}^1\times {\mathrm{499}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 90675000

約数和(自身を除く): 51852800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 389, 499, 778, 998, 1556, 1945, 1996, 2495, 3112, 3890, 3992, 4990, 7780, 9725, 9980, 12475, 15560, 19450, 19960, 24950, 38900, 49900, 77800, 99800, 194111, 388222, 776444, 970555, 1552888, 1941110, 3882220, 4852775, 7764440, 9705550, 19411100, 38822200]

約数ペア:

[(1, 38822200), (2, 19411100), (4, 9705550), (5, 7764440), (8, 4852775), (10, 3882220), (20, 1941110), (25, 1552888), (40, 970555), (50, 776444), (100, 388222), (200, 194111), (389, 99800), (499, 77800), (778, 49900), (998, 38900), (1556, 24950), (1945, 19960), (1996, 19450), (2495, 15560), (3112, 12475), (3890, 9980), (3992, 9725), (4990, 7780)]