210822740

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{67141}}^1$

素因数の和:67307

約数の個数: 24

約数和(自身を含む): 445554312

約数和(自身を除く): 234731572

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 67141, 134282, 268564, 335705, 671410, 1342820, 10541137, 21082274, 42164548, 52705685, 105411370, 210822740]

約数ペア:

[(1, 210822740), (2, 105411370), (4, 52705685), (5, 42164548), (10, 21082274), (20, 10541137), (157, 1342820), (314, 671410), (628, 335705), (785, 268564), (1570, 134282), (3140, 67141)]