27428660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{195919}}^1$

素因数の和:195935

約数の個数: 24

約数和(自身を含む): 65829120

約数和(自身を除く): 38400460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 195919, 391838, 783676, 979595, 1371433, 1959190, 2742866, 3918380, 5485732, 6857165, 13714330, 27428660]

約数ペア:

[(1, 27428660), (2, 13714330), (4, 6857165), (5, 5485732), (7, 3918380), (10, 2742866), (14, 1959190), (20, 1371433), (28, 979595), (35, 783676), (70, 391838), (140, 195919)]