38899000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{5557}}^1$

素因数の和:5585

約数の個数: 64

約数和(自身を含む): 104045760

約数和(自身を除く): 65146760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 5557, 7000, 11114, 22228, 27785, 38899, 44456, 55570, 77798, 111140, 138925, 155596, 194495, 222280, 277850, 311192, 388990, 555700, 694625, 777980, 972475, 1111400, 1389250, 1555960, 1944950, 2778500, 3889900, 4862375, 5557000, 7779800, 9724750, 19449500, 38899000]

約数ペア:

[(1, 38899000), (2, 19449500), (4, 9724750), (5, 7779800), (7, 5557000), (8, 4862375), (10, 3889900), (14, 2778500), (20, 1944950), (25, 1555960), (28, 1389250), (35, 1111400), (40, 972475), (50, 777980), (56, 694625), (70, 555700), (100, 388990), (125, 311192), (140, 277850), (175, 222280), (200, 194495), (250, 155596), (280, 138925), (350, 111140), (500, 77798), (700, 55570), (875, 44456), (1000, 38899), (1400, 27785), (1750, 22228), (3500, 11114), (5557, 7000)]