2720420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7159}}^1$

素因数の和:7187

約数の個数: 24

約数和(自身を含む): 6014400

約数和(自身を除く): 3293980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 7159, 14318, 28636, 35795, 71590, 136021, 143180, 272042, 544084, 680105, 1360210, 2720420]

約数ペア:

[(1, 2720420), (2, 1360210), (4, 680105), (5, 544084), (10, 272042), (19, 143180), (20, 136021), (38, 71590), (76, 35795), (95, 28636), (190, 14318), (380, 7159)]