280702405

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{10009}}^1$

素因数の和:10164

約数の個数: 16

約数和(自身を含む): 345945600

約数和(自身を除く): 65243195

約数列:

[1, 5, 71, 79, 355, 395, 5609, 10009, 28045, 50045, 710639, 790711, 3553195, 3953555, 56140481, 280702405]

約数ペア:

[(1, 280702405), (5, 56140481), (71, 3953555), (79, 3553195), (355, 790711), (395, 710639), (5609, 50045), (10009, 28045)]