388636340

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{24691}}^1$

素因数の和:25487

約数の個数: 24

約数和(自身を含む): 817206432

約数和(自身を除く): 428570092

約数列:

[1, 2, 4, 5, 10, 20, 787, 1574, 3148, 3935, 7870, 15740, 24691, 49382, 98764, 123455, 246910, 493820, 19431817, 38863634, 77727268, 97159085, 194318170, 388636340]

約数ペア:

[(1, 388636340), (2, 194318170), (4, 97159085), (5, 77727268), (10, 38863634), (20, 19431817), (787, 493820), (1574, 246910), (3148, 123455), (3935, 98764), (7870, 49382), (15740, 24691)]