208532140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{155621}}^1$

素因数の和:155697

約数の個数: 24

約数和(自身を含む): 444456432

約数和(自身を除く): 235924292

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 155621, 311242, 622484, 778105, 1556210, 3112420, 10426607, 20853214, 41706428, 52133035, 104266070, 208532140]

約数ペア:

[(1, 208532140), (2, 104266070), (4, 52133035), (5, 41706428), (10, 20853214), (20, 10426607), (67, 3112420), (134, 1556210), (268, 778105), (335, 622484), (670, 311242), (1340, 155621)]