27987400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{19991}}^1$

素因数の和:20014

約数の個数: 48

約数和(自身を含む): 74370240

約数和(自身を除く): 46382840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 19991, 39982, 79964, 99955, 139937, 159928, 199910, 279874, 399820, 499775, 559748, 699685, 799640, 999550, 1119496, 1399370, 1999100, 2798740, 3498425, 3998200, 5597480, 6996850, 13993700, 27987400]

約数ペア:

[(1, 27987400), (2, 13993700), (4, 6996850), (5, 5597480), (7, 3998200), (8, 3498425), (10, 2798740), (14, 1999100), (20, 1399370), (25, 1119496), (28, 999550), (35, 799640), (40, 699685), (50, 559748), (56, 499775), (70, 399820), (100, 279874), (140, 199910), (175, 159928), (200, 139937), (280, 99955), (350, 79964), (700, 39982), (1400, 19991)]