139779500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{39937}}^1$

素因数の和:39963

約数の個数: 48

約数和(自身を含む): 348898368

約数和(自身を除く): 209118868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 39937, 79874, 159748, 199685, 279559, 399370, 559118, 798740, 998425, 1118236, 1397795, 1996850, 2795590, 3993700, 4992125, 5591180, 6988975, 9984250, 13977950, 19968500, 27955900, 34944875, 69889750, 139779500]

約数ペア:

[(1, 139779500), (2, 69889750), (4, 34944875), (5, 27955900), (7, 19968500), (10, 13977950), (14, 9984250), (20, 6988975), (25, 5591180), (28, 4992125), (35, 3993700), (50, 2795590), (70, 1996850), (100, 1397795), (125, 1118236), (140, 998425), (175, 798740), (250, 559118), (350, 399370), (500, 279559), (700, 199685), (875, 159748), (1750, 79874), (3500, 39937)]