649271980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4637657}}^1$

素因数の和:4637673

約数の個数: 24

約数和(自身を含む): 1558253088

約数和(自身を除く): 908981108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4637657, 9275314, 18550628, 23188285, 32463599, 46376570, 64927198, 92753140, 129854396, 162317995, 324635990, 649271980]

約数ペア:

[(1, 649271980), (2, 324635990), (4, 162317995), (5, 129854396), (7, 92753140), (10, 64927198), (14, 46376570), (20, 32463599), (28, 23188285), (35, 18550628), (70, 9275314), (140, 4637657)]