1287250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 2545920

約数和(自身を除く): 1258670

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 271, 475, 542, 950, 1355, 2375, 2710, 4750, 5149, 6775, 10298, 13550, 25745, 33875, 51490, 67750, 128725, 257450, 643625, 1287250]

約数ペア:

[(1, 1287250), (2, 643625), (5, 257450), (10, 128725), (19, 67750), (25, 51490), (38, 33875), (50, 25745), (95, 13550), (125, 10298), (190, 6775), (250, 5149), (271, 4750), (475, 2710), (542, 2375), (950, 1355)]