64343860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{65657}}^1$

素因数の和:65680

約数の個数: 36

約数和(自身を含む): 157185252

約数和(自身を除く): 92841392

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 65657, 131314, 262628, 328285, 459599, 656570, 919198, 1313140, 1838396, 2297995, 3217193, 4595990, 6434386, 9191980, 12868772, 16085965, 32171930, 64343860]

約数ペア:

[(1, 64343860), (2, 32171930), (4, 16085965), (5, 12868772), (7, 9191980), (10, 6434386), (14, 4595990), (20, 3217193), (28, 2297995), (35, 1838396), (49, 1313140), (70, 919198), (98, 656570), (140, 459599), (196, 328285), (245, 262628), (490, 131314), (980, 65657)]