208414420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{548459}}^1$

素因数の和:548487

約数の個数: 24

約数和(自身を含む): 460706400

約数和(自身を除く): 252291980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 548459, 1096918, 2193836, 2742295, 5484590, 10420721, 10969180, 20841442, 41682884, 52103605, 104207210, 208414420]

約数ペア:

[(1, 208414420), (2, 104207210), (4, 52103605), (5, 41682884), (10, 20841442), (19, 10969180), (20, 10420721), (38, 5484590), (76, 2742295), (95, 2193836), (190, 1096918), (380, 548459)]