2028740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 4996992

約数和(自身を除く): 2968252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 337, 430, 602, 674, 860, 1204, 1348, 1505, 1685, 2359, 3010, 3370, 4718, 6020, 6740, 9436, 11795, 14491, 23590, 28982, 47180, 57964, 72455, 101437, 144910, 202874, 289820, 405748, 507185, 1014370, 2028740]

約数ペア:

[(1, 2028740), (2, 1014370), (4, 507185), (5, 405748), (7, 289820), (10, 202874), (14, 144910), (20, 101437), (28, 72455), (35, 57964), (43, 47180), (70, 28982), (86, 23590), (140, 14491), (172, 11795), (215, 9436), (301, 6740), (337, 6020), (430, 4718), (602, 3370), (674, 3010), (860, 2359), (1204, 1685), (1348, 1505)]