207923780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{155167}}^1$

素因数の和:155243

約数の個数: 24

約数和(自身を含む): 443159808

約数和(自身を除く): 235236028

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 155167, 310334, 620668, 775835, 1551670, 3103340, 10396189, 20792378, 41584756, 51980945, 103961890, 207923780]

約数ペア:

[(1, 207923780), (2, 103961890), (4, 51980945), (5, 41584756), (10, 20792378), (20, 10396189), (67, 3103340), (134, 1551670), (268, 775835), (335, 620668), (670, 310334), (1340, 155167)]