144620180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{499}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 312312000

約数和(自身を除く): 167691820

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 337, 430, 499, 674, 860, 998, 1348, 1685, 1996, 2495, 3370, 4990, 6740, 9980, 14491, 21457, 28982, 42914, 57964, 72455, 85828, 107285, 144910, 168163, 214570, 289820, 336326, 429140, 672652, 840815, 1681630, 3363260, 7231009, 14462018, 28924036, 36155045, 72310090, 144620180]

約数ペア:

[(1, 144620180), (2, 72310090), (4, 36155045), (5, 28924036), (10, 14462018), (20, 7231009), (43, 3363260), (86, 1681630), (172, 840815), (215, 672652), (337, 429140), (430, 336326), (499, 289820), (674, 214570), (860, 168163), (998, 144910), (1348, 107285), (1685, 85828), (1996, 72455), (2495, 57964), (3370, 42914), (4990, 28982), (6740, 21457), (9980, 14491)]