64289260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{459209}}^1$

素因数の和:459225

約数の個数: 24

約数和(自身を含む): 154294560

約数和(自身を除く): 90005300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 459209, 918418, 1836836, 2296045, 3214463, 4592090, 6428926, 9184180, 12857852, 16072315, 32144630, 64289260]

約数ペア:

[(1, 64289260), (2, 32144630), (4, 16072315), (5, 12857852), (7, 9184180), (10, 6428926), (14, 4592090), (20, 3214463), (28, 2296045), (35, 1836836), (70, 918418), (140, 459209)]