30025660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{214469}}^1$

素因数の和:214485

約数の個数: 24

約数和(自身を含む): 72061920

約数和(自身を除く): 42036260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 214469, 428938, 857876, 1072345, 1501283, 2144690, 3002566, 4289380, 6005132, 7506415, 15012830, 30025660]

約数ペア:

[(1, 30025660), (2, 15012830), (4, 7506415), (5, 6005132), (7, 4289380), (10, 3002566), (14, 2144690), (20, 1501283), (28, 1072345), (35, 857876), (70, 428938), (140, 214469)]