289422070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{27749}}^1$

素因数の和:27912

約数の個数: 32

約数和(自身を含む): 599400000

約数和(自身を除く): 309977930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 5215, 10430, 27749, 55498, 138745, 194243, 277490, 388486, 971215, 1942430, 4134601, 8269202, 20673005, 28942207, 41346010, 57884414, 144711035, 289422070]

約数ペア:

[(1, 289422070), (2, 144711035), (5, 57884414), (7, 41346010), (10, 28942207), (14, 20673005), (35, 8269202), (70, 4134601), (149, 1942430), (298, 971215), (745, 388486), (1043, 277490), (1490, 194243), (2086, 138745), (5215, 55498), (10430, 27749)]