2429780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3919}}^1$

素因数の和:3959

約数の個数: 24

約数和(自身を含む): 5268480

約数和(自身を除く): 2838700

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3919, 7838, 15676, 19595, 39190, 78380, 121489, 242978, 485956, 607445, 1214890, 2429780]

約数ペア:

[(1, 2429780), (2, 1214890), (4, 607445), (5, 485956), (10, 242978), (20, 121489), (31, 78380), (62, 39190), (124, 19595), (155, 15676), (310, 7838), (620, 3919)]