2722540

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 5754672

約数和(自身を除く): 3032132

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 691, 788, 985, 1382, 1970, 2764, 3455, 3940, 6910, 13820, 136127, 272254, 544508, 680635, 1361270, 2722540]

約数ペア:

[(1, 2722540), (2, 1361270), (4, 680635), (5, 544508), (10, 272254), (20, 136127), (197, 13820), (394, 6910), (691, 3940), (788, 3455), (985, 2764), (1382, 1970)]