2697980

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{487}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 5697888

約数和(自身を除く): 2999908

約数列:

[1, 2, 4, 5, 10, 20, 277, 487, 554, 974, 1108, 1385, 1948, 2435, 2770, 4870, 5540, 9740, 134899, 269798, 539596, 674495, 1348990, 2697980]

約数ペア:

[(1, 2697980), (2, 1348990), (4, 674495), (5, 539596), (10, 269798), (20, 134899), (277, 9740), (487, 5540), (554, 4870), (974, 2770), (1108, 2435), (1385, 1948)]