31010740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 67459392

約数和(自身を除く): 36448652

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 107, 172, 214, 215, 337, 428, 430, 535, 674, 860, 1070, 1348, 1685, 2140, 3370, 4601, 6740, 9202, 14491, 18404, 23005, 28982, 36059, 46010, 57964, 72118, 72455, 92020, 144236, 144910, 180295, 289820, 360590, 721180, 1550537, 3101074, 6202148, 7752685, 15505370, 31010740]

約数ペア:

[(1, 31010740), (2, 15505370), (4, 7752685), (5, 6202148), (10, 3101074), (20, 1550537), (43, 721180), (86, 360590), (107, 289820), (172, 180295), (214, 144910), (215, 144236), (337, 92020), (428, 72455), (430, 72118), (535, 57964), (674, 46010), (860, 36059), (1070, 28982), (1348, 23005), (1685, 18404), (2140, 14491), (3370, 9202), (4601, 6740)]