200410420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1431503}}^1$

素因数の和:1431519

約数の個数: 24

約数和(自身を含む): 480985344

約数和(自身を除く): 280574924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1431503, 2863006, 5726012, 7157515, 10020521, 14315030, 20041042, 28630060, 40082084, 50102605, 100205210, 200410420]

約数ペア:

[(1, 200410420), (2, 100205210), (4, 50102605), (5, 40082084), (7, 28630060), (10, 20041042), (14, 14315030), (20, 10020521), (28, 7157515), (35, 5726012), (70, 2863006), (140, 1431503)]