20170708970

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1\times {\mathrm{1087}}^1$

素因数の和:1539

約数の個数: 64

約数和(自身を含む): 37375672320

約数和(自身を除く): 17204963350

約数列:

[1, 2, 5, 10, 79, 83, 158, 166, 283, 395, 415, 566, 790, 830, 1087, 1415, 2174, 2830, 5435, 6557, 10870, 13114, 22357, 23489, 32785, 44714, 46978, 65570, 85873, 90221, 111785, 117445, 171746, 180442, 223570, 234890, 307621, 429365, 451105, 615242, 858730, 902210, 1538105, 1855631, 3076210, 3711262, 7127459, 9278155, 14254918, 18556310, 24302059, 25532543, 35637295, 48604118, 51065086, 71274590, 121510295, 127662715, 243020590, 255325430, 2017070897, 4034141794, 10085354485, 20170708970]

約数ペア:

[(1, 20170708970), (2, 10085354485), (5, 4034141794), (10, 2017070897), (79, 255325430), (83, 243020590), (158, 127662715), (166, 121510295), (283, 71274590), (395, 51065086), (415, 48604118), (566, 35637295), (790, 25532543), (830, 24302059), (1087, 18556310), (1415, 14254918), (2174, 9278155), (2830, 7127459), (5435, 3711262), (6557, 3076210), (10870, 1855631), (13114, 1538105), (22357, 902210), (23489, 858730), (32785, 615242), (44714, 451105), (46978, 429365), (65570, 307621), (85873, 234890), (90221, 223570), (111785, 180442), (117445, 171746)]