2079227780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2121661}}^1$

素因数の和:2121684

約数の個数: 36

約数和(自身を含む): 5079258828

約数和(自身を除く): 3000031048

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2121661, 4243322, 8486644, 10608305, 14851627, 21216610, 29703254, 42433220, 59406508, 74258135, 103961389, 148516270, 207922778, 297032540, 415845556, 519806945, 1039613890, 2079227780]

約数ペア:

[(1, 2079227780), (2, 1039613890), (4, 519806945), (5, 415845556), (7, 297032540), (10, 207922778), (14, 148516270), (20, 103961389), (28, 74258135), (35, 59406508), (49, 42433220), (70, 29703254), (98, 21216610), (140, 14851627), (196, 10608305), (245, 8486644), (490, 4243322), (980, 2121661)]