2678020

素因数分解:

$2^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{457}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 5655384

約数和(自身を除く): 2977364

約数列:

[1, 2, 4, 5, 10, 20, 293, 457, 586, 914, 1172, 1465, 1828, 2285, 2930, 4570, 5860, 9140, 133901, 267802, 535604, 669505, 1339010, 2678020]

約数ペア:

[(1, 2678020), (2, 1339010), (4, 669505), (5, 535604), (10, 267802), (20, 133901), (293, 9140), (457, 5860), (586, 4570), (914, 2930), (1172, 2285), (1465, 1828)]