340336

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:336

約数の個数: 20

約数和(自身を含む): 669600

約数和(自身を除く): 329264

約数列:

[1, 2, 4, 8, 16, 89, 178, 239, 356, 478, 712, 956, 1424, 1912, 3824, 21271, 42542, 85084, 170168, 340336]

約数ペア:

[(1, 340336), (2, 170168), (4, 85084), (8, 42542), (16, 21271), (89, 3824), (178, 1912), (239, 1424), (356, 956), (478, 712)]