408655142020

素因数分解:

$2^2\times 5^1\times {\mathrm{2729}}^1\times {\mathrm{7487269}}^1$

素因数の和:7490007

約数の個数: 24

約数和(自身を含む): 858490378200

約数和(自身を除く): 449835236180

約数列:

[1, 2, 4, 5, 10, 20, 2729, 5458, 10916, 13645, 27290, 54580, 7487269, 14974538, 29949076, 37436345, 74872690, 149745380, 20432757101, 40865514202, 81731028404, 102163785505, 204327571010, 408655142020]

約数ペア:

[(1, 408655142020), (2, 204327571010), (4, 102163785505), (5, 81731028404), (10, 40865514202), (20, 20432757101), (2729, 149745380), (5458, 74872690), (10916, 37436345), (13645, 29949076), (27290, 14974538), (54580, 7487269)]