289819870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{408197}}^1$

素因数の和:408275

約数の個数: 16

約数和(自身を含む): 529024608

約数和(自身を除く): 239204738

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 408197, 816394, 2040985, 4081970, 28981987, 57963974, 144909935, 289819870]

約数ペア:

[(1, 289819870), (2, 144909935), (5, 57963974), (10, 28981987), (71, 4081970), (142, 2040985), (355, 816394), (710, 408197)]