38199800

素因数分解:

$2^3\times 5^2\times {\mathrm{389}}^1\times {\mathrm{491}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 89224200

約数和(自身を除く): 51024400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 389, 491, 778, 982, 1556, 1945, 1964, 2455, 3112, 3890, 3928, 4910, 7780, 9725, 9820, 12275, 15560, 19450, 19640, 24550, 38900, 49100, 77800, 98200, 190999, 381998, 763996, 954995, 1527992, 1909990, 3819980, 4774975, 7639960, 9549950, 19099900, 38199800]

約数ペア:

[(1, 38199800), (2, 19099900), (4, 9549950), (5, 7639960), (8, 4774975), (10, 3819980), (20, 1909990), (25, 1527992), (40, 954995), (50, 763996), (100, 381998), (200, 190999), (389, 98200), (491, 77800), (778, 49100), (982, 38900), (1556, 24550), (1945, 19640), (1964, 19450), (2455, 15560), (3112, 12275), (3890, 9820), (3928, 9725), (4910, 7780)]