287746130

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{83891}}^1$

素因数の和:83919

約数の個数: 32

約数和(自身を含む): 604022400

約数和(自身を除く): 316276270

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 83891, 167782, 419455, 587237, 838910, 1174474, 2936185, 4110659, 5872370, 8221318, 20553295, 28774613, 41106590, 57549226, 143873065, 287746130]

約数ペア:

[(1, 287746130), (2, 143873065), (5, 57549226), (7, 41106590), (10, 28774613), (14, 20553295), (35, 8221318), (49, 5872370), (70, 4110659), (98, 2936185), (245, 1174474), (343, 838910), (490, 587237), (686, 419455), (1715, 167782), (3430, 83891)]