720790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1471}}^1$

素因数の和:1492

約数の個数: 24

約数和(自身を含む): 1510272

約数和(自身を除く): 789482

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1471, 2942, 7355, 10297, 14710, 20594, 51485, 72079, 102970, 144158, 360395, 720790]

約数ペア:

[(1, 720790), (2, 360395), (5, 144158), (7, 102970), (10, 72079), (14, 51485), (35, 20594), (49, 14710), (70, 10297), (98, 7355), (245, 2942), (490, 1471)]