493780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3527}}^1$

素因数の和:3543

約数の個数: 24

約数和(自身を含む): 1185408

約数和(自身を除く): 691628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3527, 7054, 14108, 17635, 24689, 35270, 49378, 70540, 98756, 123445, 246890, 493780]

約数ペア:

[(1, 493780), (2, 246890), (4, 123445), (5, 98756), (7, 70540), (10, 49378), (14, 35270), (20, 24689), (28, 17635), (35, 14108), (70, 7054), (140, 3527)]