426009020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1\times {\mathrm{677}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 910320768

約数和(自身を除く): 484311748

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 431, 677, 730, 862, 1354, 1460, 1724, 2155, 2708, 3385, 4310, 6770, 8620, 13540, 31463, 49421, 62926, 98842, 125852, 157315, 197684, 247105, 291787, 314630, 494210, 583574, 629260, 988420, 1167148, 1458935, 2917870, 5835740, 21300451, 42600902, 85201804, 106502255, 213004510, 426009020]

約数ペア:

[(1, 426009020), (2, 213004510), (4, 106502255), (5, 85201804), (10, 42600902), (20, 21300451), (73, 5835740), (146, 2917870), (292, 1458935), (365, 1167148), (431, 988420), (677, 629260), (730, 583574), (862, 494210), (1354, 314630), (1460, 291787), (1724, 247105), (2155, 197684), (2708, 157315), (3385, 125852), (4310, 98842), (6770, 62926), (8620, 49421), (13540, 31463)]