390256700

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{37889}}^1$

素因数の和:38006

約数の個数: 36

約数和(自身を含む): 855101520

約数和(自身を除く): 464844820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 412, 515, 1030, 2060, 2575, 5150, 10300, 37889, 75778, 151556, 189445, 378890, 757780, 947225, 1894450, 3788900, 3902567, 7805134, 15610268, 19512835, 39025670, 78051340, 97564175, 195128350, 390256700]

約数ペア:

[(1, 390256700), (2, 195128350), (4, 97564175), (5, 78051340), (10, 39025670), (20, 19512835), (25, 15610268), (50, 7805134), (100, 3902567), (103, 3788900), (206, 1894450), (412, 947225), (515, 757780), (1030, 378890), (2060, 189445), (2575, 151556), (5150, 75778), (10300, 37889)]