256900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{367}}^1$

素因数の和:388

約数の個数: 36

約数和(自身を含む): 638848

約数和(自身を除く): 381948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 367, 700, 734, 1468, 1835, 2569, 3670, 5138, 7340, 9175, 10276, 12845, 18350, 25690, 36700, 51380, 64225, 128450, 256900]

約数ペア:

[(1, 256900), (2, 128450), (4, 64225), (5, 51380), (7, 36700), (10, 25690), (14, 18350), (20, 12845), (25, 10276), (28, 9175), (35, 7340), (50, 5138), (70, 3670), (100, 2569), (140, 1835), (175, 1468), (350, 734), (367, 700)]