30149945

素因数分解:

$5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1129}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 42510600

約数和(自身を除く): 12360655

約数列:

[1, 5, 7, 35, 49, 109, 245, 545, 763, 1129, 3815, 5341, 5645, 7903, 26705, 39515, 55321, 123061, 276605, 615305, 861427, 4307135, 6029989, 30149945]

約数ペア:

[(1, 30149945), (5, 6029989), (7, 4307135), (35, 861427), (49, 615305), (109, 276605), (245, 123061), (545, 55321), (763, 39515), (1129, 26705), (3815, 7903), (5341, 5645)]