2912220725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{30809}}^1$

素因数の和:31037

約数の個数: 24

約数和(自身を含む): 3820440000

約数和(自身を除く): 908219275

約数列:

[1, 5, 19, 25, 95, 199, 475, 995, 3781, 4975, 18905, 30809, 94525, 154045, 585371, 770225, 2926855, 6130991, 14634275, 30654955, 116488829, 153274775, 582444145, 2912220725]

約数ペア:

[(1, 2912220725), (5, 582444145), (19, 153274775), (25, 116488829), (95, 30654955), (199, 14634275), (475, 6130991), (995, 2926855), (3781, 770225), (4975, 585371), (18905, 154045), (30809, 94525)]