42542780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43411}}^1$

素因数の和:43434

約数の個数: 36

約数和(自身を含む): 103928328

約数和(自身を除く): 61385548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 43411, 86822, 173644, 217055, 303877, 434110, 607754, 868220, 1215508, 1519385, 2127139, 3038770, 4254278, 6077540, 8508556, 10635695, 21271390, 42542780]

約数ペア:

[(1, 42542780), (2, 21271390), (4, 10635695), (5, 8508556), (7, 6077540), (10, 4254278), (14, 3038770), (20, 2127139), (28, 1519385), (35, 1215508), (49, 868220), (70, 607754), (98, 434110), (140, 303877), (196, 217055), (245, 173644), (490, 86822), (980, 43411)]