12220235

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 15120000

約数和(自身を除く): 2899765

約数列:

[1, 5, 47, 149, 235, 349, 745, 1745, 7003, 16403, 35015, 52001, 82015, 260005, 2444047, 12220235]

約数ペア:

[(1, 12220235), (5, 2444047), (47, 260005), (149, 82015), (235, 52001), (349, 35015), (745, 16403), (1745, 7003)]