343036780

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{21149}}^1$

素因数の和:21969

約数の個数: 24

約数和(自身を含む): 721299600

約数和(自身を除く): 378262820

約数列:

[1, 2, 4, 5, 10, 20, 811, 1622, 3244, 4055, 8110, 16220, 21149, 42298, 84596, 105745, 211490, 422980, 17151839, 34303678, 68607356, 85759195, 171518390, 343036780]

約数ペア:

[(1, 343036780), (2, 171518390), (4, 85759195), (5, 68607356), (10, 34303678), (20, 17151839), (811, 422980), (1622, 211490), (3244, 105745), (4055, 84596), (8110, 42298), (16220, 21149)]