129280130

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{37691}}^1$

素因数の和:37719

約数の個数: 32

約数和(自身を含む): 271382400

約数和(自身を除く): 142102270

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 37691, 75382, 188455, 263837, 376910, 527674, 1319185, 1846859, 2638370, 3693718, 9234295, 12928013, 18468590, 25856026, 64640065, 129280130]

約数ペア:

[(1, 129280130), (2, 64640065), (5, 25856026), (7, 18468590), (10, 12928013), (14, 9234295), (35, 3693718), (49, 2638370), (70, 1846859), (98, 1319185), (245, 527674), (343, 376910), (490, 263837), (686, 188455), (1715, 75382), (3430, 37691)]