2194025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 2976000

約数和(自身を除く): 781975

約数列:

[1, 5, 19, 25, 31, 95, 149, 155, 475, 589, 745, 775, 2831, 2945, 3725, 4619, 14155, 14725, 23095, 70775, 87761, 115475, 438805, 2194025]

約数ペア:

[(1, 2194025), (5, 438805), (19, 115475), (25, 87761), (31, 70775), (95, 23095), (149, 14725), (155, 14155), (475, 4619), (589, 3725), (745, 2945), (775, 2831)]