30928660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{220919}}^1$

素因数の和:220935

約数の個数: 24

約数和(自身を含む): 74229120

約数和(自身を除く): 43300460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 220919, 441838, 883676, 1104595, 1546433, 2209190, 3092866, 4418380, 6185732, 7732165, 15464330, 30928660]

約数ペア:

[(1, 30928660), (2, 15464330), (4, 7732165), (5, 6185732), (7, 4418380), (10, 3092866), (14, 2209190), (20, 1546433), (28, 1104595), (35, 883676), (70, 441838), (140, 220919)]