2571500

素因数分解:

$2^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:195

約数の個数: 48

約数和(自身を含む): 5809440

約数和(自身を除く): 3237940

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 125, 139, 148, 185, 250, 278, 370, 500, 556, 695, 740, 925, 1390, 1850, 2780, 3475, 3700, 4625, 5143, 6950, 9250, 10286, 13900, 17375, 18500, 20572, 25715, 34750, 51430, 69500, 102860, 128575, 257150, 514300, 642875, 1285750, 2571500]

約数ペア:

[(1, 2571500), (2, 1285750), (4, 642875), (5, 514300), (10, 257150), (20, 128575), (25, 102860), (37, 69500), (50, 51430), (74, 34750), (100, 25715), (125, 20572), (139, 18500), (148, 17375), (185, 13900), (250, 10286), (278, 9250), (370, 6950), (500, 5143), (556, 4625), (695, 3700), (740, 3475), (925, 2780), (1390, 1850)]