103089820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271289}}^1$

素因数の和:271317

約数の個数: 24

約数和(自身を含む): 227883600

約数和(自身を除く): 124793780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 271289, 542578, 1085156, 1356445, 2712890, 5154491, 5425780, 10308982, 20617964, 25772455, 51544910, 103089820]

約数ペア:

[(1, 103089820), (2, 51544910), (4, 25772455), (5, 20617964), (10, 10308982), (19, 5425780), (20, 5154491), (38, 2712890), (76, 1356445), (95, 1085156), (190, 542578), (380, 271289)]