2190500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 5167344

約数和(自身を除く): 2976844

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 337, 500, 650, 674, 1300, 1348, 1625, 1685, 3250, 3370, 4381, 6500, 6740, 8425, 8762, 16850, 17524, 21905, 33700, 42125, 43810, 84250, 87620, 109525, 168500, 219050, 438100, 547625, 1095250, 2190500]

約数ペア:

[(1, 2190500), (2, 1095250), (4, 547625), (5, 438100), (10, 219050), (13, 168500), (20, 109525), (25, 87620), (26, 84250), (50, 43810), (52, 42125), (65, 33700), (100, 21905), (125, 17524), (130, 16850), (250, 8762), (260, 8425), (325, 6740), (337, 6500), (500, 4381), (650, 3370), (674, 3250), (1300, 1685), (1348, 1625)]