19611117260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140079409}}^1$

素因数の和:140079425

約数の個数: 24

約数和(自身を含む): 47066681760

約数和(自身を除く): 27455564500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140079409, 280158818, 560317636, 700397045, 980555863, 1400794090, 1961111726, 2801588180, 3922223452, 4902779315, 9805558630, 19611117260]

約数ペア:

[(1, 19611117260), (2, 9805558630), (4, 4902779315), (5, 3922223452), (7, 2801588180), (10, 1961111726), (14, 1400794090), (20, 980555863), (28, 700397045), (35, 560317636), (70, 280158818), (140, 140079409)]