257450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:302

約数の個数: 24

約数和(自身を含む): 505920

約数和(自身を除く): 248470

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 271, 475, 542, 950, 1355, 2710, 5149, 6775, 10298, 13550, 25745, 51490, 128725, 257450]

約数ペア:

[(1, 257450), (2, 128725), (5, 51490), (10, 25745), (19, 13550), (25, 10298), (38, 6775), (50, 5149), (95, 2710), (190, 1355), (271, 950), (475, 542)]