7720000

素因数分解:

$2^6\times 5^4\times {\mathrm{193}}^1$

素因数の和:225

約数の個数: 70

約数和(自身を含む): 19242278

約数和(自身を除く): 11522278

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 193, 200, 250, 320, 386, 400, 500, 625, 772, 800, 965, 1000, 1250, 1544, 1600, 1930, 2000, 2500, 3088, 3860, 4000, 4825, 5000, 6176, 7720, 8000, 9650, 10000, 12352, 15440, 19300, 20000, 24125, 30880, 38600, 40000, 48250, 61760, 77200, 96500, 120625, 154400, 193000, 241250, 308800, 386000, 482500, 772000, 965000, 1544000, 1930000, 3860000, 7720000]

約数ペア:

[(1, 7720000), (2, 3860000), (4, 1930000), (5, 1544000), (8, 965000), (10, 772000), (16, 482500), (20, 386000), (25, 308800), (32, 241250), (40, 193000), (50, 154400), (64, 120625), (80, 96500), (100, 77200), (125, 61760), (160, 48250), (193, 40000), (200, 38600), (250, 30880), (320, 24125), (386, 20000), (400, 19300), (500, 15440), (625, 12352), (772, 10000), (800, 9650), (965, 8000), (1000, 7720), (1250, 6176), (1544, 5000), (1600, 4825), (1930, 4000), (2000, 3860), (2500, 3088)]