667020340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{680633}}^1$

素因数の和:680656

約数の個数: 36

約数和(自身を含む): 1629437796

約数和(自身を除く): 962417456

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 680633, 1361266, 2722532, 3403165, 4764431, 6806330, 9528862, 13612660, 19057724, 23822155, 33351017, 47644310, 66702034, 95288620, 133404068, 166755085, 333510170, 667020340]

約数ペア:

[(1, 667020340), (2, 333510170), (4, 166755085), (5, 133404068), (7, 95288620), (10, 66702034), (14, 47644310), (20, 33351017), (28, 23822155), (35, 19057724), (49, 13612660), (70, 9528862), (98, 6806330), (140, 4764431), (196, 3403165), (245, 2722532), (490, 1361266), (980, 680633)]