1340540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 2848272

約数和(自身を除く): 1507732

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 691, 970, 1382, 1940, 2764, 3455, 6910, 13820, 67027, 134054, 268108, 335135, 670270, 1340540]

約数ペア:

[(1, 1340540), (2, 670270), (4, 335135), (5, 268108), (10, 134054), (20, 67027), (97, 13820), (194, 6910), (388, 3455), (485, 2764), (691, 1940), (970, 1382)]