289132075

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{653}}^1$

素因数の和:951

約数の個数: 24

約数和(自身を含む): 364932000

約数和(自身を除く): 75799925

約数列:

[1, 5, 25, 89, 199, 445, 653, 995, 2225, 3265, 4975, 16325, 17711, 58117, 88555, 129947, 290585, 442775, 649735, 1452925, 3248675, 11565283, 57826415, 289132075]

約数ペア:

[(1, 289132075), (5, 57826415), (25, 11565283), (89, 3248675), (199, 1452925), (445, 649735), (653, 442775), (995, 290585), (2225, 129947), (3265, 88555), (4975, 58117), (16325, 17711)]