9858520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 25634880

約数和(自身を除く): 15776360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 257, 274, 280, 514, 548, 685, 959, 1028, 1096, 1285, 1370, 1799, 1918, 2056, 2570, 2740, 3598, 3836, 4795, 5140, 5480, 7196, 7672, 8995, 9590, 10280, 14392, 17990, 19180, 35209, 35980, 38360, 70418, 71960, 140836, 176045, 246463, 281672, 352090, 492926, 704180, 985852, 1232315, 1408360, 1971704, 2464630, 4929260, 9858520]

約数ペア:

[(1, 9858520), (2, 4929260), (4, 2464630), (5, 1971704), (7, 1408360), (8, 1232315), (10, 985852), (14, 704180), (20, 492926), (28, 352090), (35, 281672), (40, 246463), (56, 176045), (70, 140836), (137, 71960), (140, 70418), (257, 38360), (274, 35980), (280, 35209), (514, 19180), (548, 17990), (685, 14392), (959, 10280), (1028, 9590), (1096, 8995), (1285, 7672), (1370, 7196), (1799, 5480), (1918, 5140), (2056, 4795), (2570, 3836), (2740, 3598)]