264844720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{472937}}^1$

素因数の和:472957

約数の個数: 40

約数和(自身を含む): 703731744

約数和(自身を除く): 438887024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 472937, 945874, 1891748, 2364685, 3310559, 3783496, 4729370, 6621118, 7566992, 9458740, 13242236, 16552795, 18917480, 26484472, 33105590, 37834960, 52968944, 66211180, 132422360, 264844720]

約数ペア:

[(1, 264844720), (2, 132422360), (4, 66211180), (5, 52968944), (7, 37834960), (8, 33105590), (10, 26484472), (14, 18917480), (16, 16552795), (20, 13242236), (28, 9458740), (35, 7566992), (40, 6621118), (56, 4729370), (70, 3783496), (80, 3310559), (112, 2364685), (140, 1891748), (280, 945874), (560, 472937)]