389622380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2783017}}^1$

素因数の和:2783033

約数の個数: 24

約数和(自身を含む): 935094048

約数和(自身を除く): 545471668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2783017, 5566034, 11132068, 13915085, 19481119, 27830170, 38962238, 55660340, 77924476, 97405595, 194811190, 389622380]

約数ペア:

[(1, 389622380), (2, 194811190), (4, 97405595), (5, 77924476), (7, 55660340), (10, 38962238), (14, 27830170), (20, 19481119), (28, 13915085), (35, 11132068), (70, 5566034), (140, 2783017)]