31285660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223469}}^1$

素因数の和:223485

約数の個数: 24

約数和(自身を含む): 75085920

約数和(自身を除く): 43800260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223469, 446938, 893876, 1117345, 1564283, 2234690, 3128566, 4469380, 6257132, 7821415, 15642830, 31285660]

約数ペア:

[(1, 31285660), (2, 15642830), (4, 7821415), (5, 6257132), (7, 4469380), (10, 3128566), (14, 2234690), (20, 1564283), (28, 1117345), (35, 893876), (70, 446938), (140, 223469)]