2720140

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{491}}^1$

素因数の和:777

約数の個数: 24

約数和(自身を含む): 5744592

約数和(自身を除く): 3024452

約数列:

[1, 2, 4, 5, 10, 20, 277, 491, 554, 982, 1108, 1385, 1964, 2455, 2770, 4910, 5540, 9820, 136007, 272014, 544028, 680035, 1360070, 2720140]

約数ペア:

[(1, 2720140), (2, 1360070), (4, 680035), (5, 544028), (10, 272014), (20, 136007), (277, 9820), (491, 5540), (554, 4910), (982, 2770), (1108, 2455), (1385, 1964)]