8671180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 20978496

約数和(自身を除く): 12307316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 257, 482, 514, 964, 1028, 1205, 1285, 1687, 1799, 2410, 2570, 3374, 3598, 4820, 5140, 6748, 7196, 8435, 8995, 16870, 17990, 33740, 35980, 61937, 123874, 247748, 309685, 433559, 619370, 867118, 1238740, 1734236, 2167795, 4335590, 8671180]

約数ペア:

[(1, 8671180), (2, 4335590), (4, 2167795), (5, 1734236), (7, 1238740), (10, 867118), (14, 619370), (20, 433559), (28, 309685), (35, 247748), (70, 123874), (140, 61937), (241, 35980), (257, 33740), (482, 17990), (514, 16870), (964, 8995), (1028, 8435), (1205, 7196), (1285, 6748), (1687, 5140), (1799, 4820), (2410, 3598), (2570, 3374)]