402460225

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{277}}^1\times {\mathrm{653}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 507255480

約数和(自身を除く): 104795255

約数列:

[1, 5, 25, 89, 277, 445, 653, 1385, 2225, 3265, 6925, 16325, 24653, 58117, 123265, 180881, 290585, 616325, 904405, 1452925, 4522025, 16098409, 80492045, 402460225]

約数ペア:

[(1, 402460225), (5, 80492045), (25, 16098409), (89, 4522025), (277, 1452925), (445, 904405), (653, 616325), (1385, 290585), (2225, 180881), (3265, 123265), (6925, 58117), (16325, 24653)]