140906620

素因数分解:

$2^2\times 5^1\times {\mathrm{7045331}}^1$

素因数の和:7045340

約数の個数: 12

約数和(自身を含む): 295903944

約数和(自身を除く): 154997324

約数列:

[1, 2, 4, 5, 10, 20, 7045331, 14090662, 28181324, 35226655, 70453310, 140906620]

約数ペア:

[(1, 140906620), (2, 70453310), (4, 35226655), (5, 28181324), (10, 14090662), (20, 7045331)]