7490480

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{859}}^1$

素因数の和:981

約数の個数: 40

約数和(自身を含む): 17595600

約数和(自身を除く): 10105120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 859, 872, 1090, 1718, 1744, 2180, 3436, 4295, 4360, 6872, 8590, 8720, 13744, 17180, 34360, 68720, 93631, 187262, 374524, 468155, 749048, 936310, 1498096, 1872620, 3745240, 7490480]

約数ペア:

[(1, 7490480), (2, 3745240), (4, 1872620), (5, 1498096), (8, 936310), (10, 749048), (16, 468155), (20, 374524), (40, 187262), (80, 93631), (109, 68720), (218, 34360), (436, 17180), (545, 13744), (859, 8720), (872, 8590), (1090, 6872), (1718, 4360), (1744, 4295), (2180, 3436)]