1408360

素因数分解:

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

素因数の和:405

約数の個数: 32

約数和(自身を含む): 3204360

約数和(自身を除く): 1796000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 257, 274, 514, 548, 685, 1028, 1096, 1285, 1370, 2056, 2570, 2740, 5140, 5480, 10280, 35209, 70418, 140836, 176045, 281672, 352090, 704180, 1408360]

約数ペア:

[(1, 1408360), (2, 704180), (4, 352090), (5, 281672), (8, 176045), (10, 140836), (20, 70418), (40, 35209), (137, 10280), (257, 5480), (274, 5140), (514, 2740), (548, 2570), (685, 2056), (1028, 1370), (1096, 1285)]