2183780

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{797}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 4625208

約数和(自身を除く): 2441428

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 797, 1370, 1594, 2740, 3188, 3985, 7970, 15940, 109189, 218378, 436756, 545945, 1091890, 2183780]

約数ペア:

[(1, 2183780), (2, 1091890), (4, 545945), (5, 436756), (10, 218378), (20, 109189), (137, 15940), (274, 7970), (548, 3985), (685, 3188), (797, 2740), (1370, 1594)]