89014520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1237}}^1$

素因数の和:1512

約数の個数: 64

約数和(自身を含む): 229970880

約数和(自身を除く): 140956360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 257, 280, 514, 1028, 1237, 1285, 1799, 2056, 2474, 2570, 3598, 4948, 5140, 6185, 7196, 8659, 8995, 9896, 10280, 12370, 14392, 17318, 17990, 24740, 34636, 35980, 43295, 49480, 69272, 71960, 86590, 173180, 317909, 346360, 635818, 1271636, 1589545, 2225363, 2543272, 3179090, 4450726, 6358180, 8901452, 11126815, 12716360, 17802904, 22253630, 44507260, 89014520]

約数ペア:

[(1, 89014520), (2, 44507260), (4, 22253630), (5, 17802904), (7, 12716360), (8, 11126815), (10, 8901452), (14, 6358180), (20, 4450726), (28, 3179090), (35, 2543272), (40, 2225363), (56, 1589545), (70, 1271636), (140, 635818), (257, 346360), (280, 317909), (514, 173180), (1028, 86590), (1237, 71960), (1285, 69272), (1799, 49480), (2056, 43295), (2474, 35980), (2570, 34636), (3598, 24740), (4948, 17990), (5140, 17318), (6185, 14392), (7196, 12370), (8659, 10280), (8995, 9896)]