123905740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{885041}}^1$

素因数の和:885057

約数の個数: 24

約数和(自身を含む): 297374112

約数和(自身を除く): 173468372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 885041, 1770082, 3540164, 4425205, 6195287, 8850410, 12390574, 17700820, 24781148, 30976435, 61952870, 123905740]

約数ペア:

[(1, 123905740), (2, 61952870), (4, 30976435), (5, 24781148), (7, 17700820), (10, 12390574), (14, 8850410), (20, 6195287), (28, 4425205), (35, 3540164), (70, 1770082), (140, 885041)]