138007400

素因数分解:

$2^3\times 5^2\times {\mathrm{690037}}^1$

素因数の和:690053

約数の個数: 24

約数和(自身を含む): 320867670

約数和(自身を除く): 182860270

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 690037, 1380074, 2760148, 3450185, 5520296, 6900370, 13800740, 17250925, 27601480, 34501850, 69003700, 138007400]

約数ペア:

[(1, 138007400), (2, 69003700), (4, 34501850), (5, 27601480), (8, 17250925), (10, 13800740), (20, 6900370), (25, 5520296), (40, 3450185), (50, 2760148), (100, 1380074), (200, 690037)]