196680680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{702431}}^1$

素因数の和:702449

約数の個数: 32

約数和(自身を含む): 505751040

約数和(自身を除く): 309070360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 702431, 1404862, 2809724, 3512155, 4917017, 5619448, 7024310, 9834034, 14048620, 19668068, 24585085, 28097240, 39336136, 49170170, 98340340, 196680680]

約数ペア:

[(1, 196680680), (2, 98340340), (4, 49170170), (5, 39336136), (7, 28097240), (8, 24585085), (10, 19668068), (14, 14048620), (20, 9834034), (28, 7024310), (35, 5619448), (40, 4917017), (56, 3512155), (70, 2809724), (140, 1404862), (280, 702431)]