7458140

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1451}}^1$

素因数の和:1717

約数の個数: 24

約数和(自身を含む): 15733872

約数和(自身を除く): 8275732

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 1451, 2570, 2902, 5140, 5804, 7255, 14510, 29020, 372907, 745814, 1491628, 1864535, 3729070, 7458140]

約数ペア:

[(1, 7458140), (2, 3729070), (4, 1864535), (5, 1491628), (10, 745814), (20, 372907), (257, 29020), (514, 14510), (1028, 7255), (1285, 5804), (1451, 5140), (2570, 2902)]