207731440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{370949}}^1$

素因数の和:370969

約数の個数: 40

約数和(自身を含む): 551973600

約数和(自身を除く): 344242160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 370949, 741898, 1483796, 1854745, 2596643, 2967592, 3709490, 5193286, 5935184, 7418980, 10386572, 12983215, 14837960, 20773144, 25966430, 29675920, 41546288, 51932860, 103865720, 207731440]

約数ペア:

[(1, 207731440), (2, 103865720), (4, 51932860), (5, 41546288), (7, 29675920), (8, 25966430), (10, 20773144), (14, 14837960), (16, 12983215), (20, 10386572), (28, 7418980), (35, 5935184), (40, 5193286), (56, 3709490), (70, 2967592), (80, 2596643), (112, 1854745), (140, 1483796), (280, 741898), (560, 370949)]