208458520

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{34513}}^1$

素因数の和:34675

約数の個数: 32

約数和(自身を含む): 472151520

約数和(自身を除く): 263693000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 34513, 69026, 138052, 172565, 276104, 345130, 690260, 1380520, 5211463, 10422926, 20845852, 26057315, 41691704, 52114630, 104229260, 208458520]

約数ペア:

[(1, 208458520), (2, 104229260), (4, 52114630), (5, 41691704), (8, 26057315), (10, 20845852), (20, 10422926), (40, 5211463), (151, 1380520), (302, 690260), (604, 345130), (755, 276104), (1208, 172565), (1510, 138052), (3020, 69026), (6040, 34513)]