2497780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1759}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 5322240

約数和(自身を除く): 2824460

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1759, 3518, 7036, 8795, 17590, 35180, 124889, 249778, 499556, 624445, 1248890, 2497780]

約数ペア:

[(1, 2497780), (2, 1248890), (4, 624445), (5, 499556), (10, 249778), (20, 124889), (71, 35180), (142, 17590), (284, 8795), (355, 7036), (710, 3518), (1420, 1759)]