387670420

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{26959}}^1$

素因数の和:27687

約数の個数: 24

約数和(自身を含む): 815270400

約数和(自身を除く): 427599980

約数列:

[1, 2, 4, 5, 10, 20, 719, 1438, 2876, 3595, 7190, 14380, 26959, 53918, 107836, 134795, 269590, 539180, 19383521, 38767042, 77534084, 96917605, 193835210, 387670420]

約数ペア:

[(1, 387670420), (2, 193835210), (4, 96917605), (5, 77534084), (10, 38767042), (20, 19383521), (719, 539180), (1438, 269590), (2876, 134795), (3595, 107836), (7190, 53918), (14380, 26959)]