30886600

素因数分解:

$2^3\times 5^2\times {\mathrm{389}}^1\times {\mathrm{397}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 72177300

約数和(自身を除く): 41290700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 389, 397, 778, 794, 1556, 1588, 1945, 1985, 3112, 3176, 3890, 3970, 7780, 7940, 9725, 9925, 15560, 15880, 19450, 19850, 38900, 39700, 77800, 79400, 154433, 308866, 617732, 772165, 1235464, 1544330, 3088660, 3860825, 6177320, 7721650, 15443300, 30886600]

約数ペア:

[(1, 30886600), (2, 15443300), (4, 7721650), (5, 6177320), (8, 3860825), (10, 3088660), (20, 1544330), (25, 1235464), (40, 772165), (50, 617732), (100, 308866), (200, 154433), (389, 79400), (397, 77800), (778, 39700), (794, 38900), (1556, 19850), (1588, 19450), (1945, 15880), (1985, 15560), (3112, 9925), (3176, 9725), (3890, 7940), (3970, 7780)]