7406740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 17164224

約数和(自身を除く): 9757484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 257, 262, 514, 524, 655, 1028, 1285, 1310, 1441, 2570, 2620, 2827, 2882, 5140, 5654, 5764, 7205, 11308, 14135, 14410, 28270, 28820, 33667, 56540, 67334, 134668, 168335, 336670, 370337, 673340, 740674, 1481348, 1851685, 3703370, 7406740]

約数ペア:

[(1, 7406740), (2, 3703370), (4, 1851685), (5, 1481348), (10, 740674), (11, 673340), (20, 370337), (22, 336670), (44, 168335), (55, 134668), (110, 67334), (131, 56540), (220, 33667), (257, 28820), (262, 28270), (514, 14410), (524, 14135), (655, 11308), (1028, 7205), (1285, 5764), (1310, 5654), (1441, 5140), (2570, 2882), (2620, 2827)]