30518140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{15731}}^1$

素因数の和:15837

約数の個数: 24

約数和(自身を含む): 64752912

約数和(自身を除く): 34234772

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 15731, 31462, 62924, 78655, 157310, 314620, 1525907, 3051814, 6103628, 7629535, 15259070, 30518140]

約数ペア:

[(1, 30518140), (2, 15259070), (4, 7629535), (5, 6103628), (10, 3051814), (20, 1525907), (97, 314620), (194, 157310), (388, 78655), (485, 62924), (970, 31462), (1940, 15731)]