2017870820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{25601}}^1$

素因数の和:26180

約数の個数: 48

約数和(自身を含む): 4851681408

約数和(自身を除く): 2833810588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 563, 1126, 2252, 2815, 3941, 5630, 7882, 11260, 15764, 19705, 25601, 39410, 51202, 78820, 102404, 128005, 179207, 256010, 358414, 512020, 716828, 896035, 1792070, 3584140, 14413363, 28826726, 57653452, 72066815, 100893541, 144133630, 201787082, 288267260, 403574164, 504467705, 1008935410, 2017870820]

約数ペア:

[(1, 2017870820), (2, 1008935410), (4, 504467705), (5, 403574164), (7, 288267260), (10, 201787082), (14, 144133630), (20, 100893541), (28, 72066815), (35, 57653452), (70, 28826726), (140, 14413363), (563, 3584140), (1126, 1792070), (2252, 896035), (2815, 716828), (3941, 512020), (5630, 358414), (7882, 256010), (11260, 179207), (15764, 128005), (19705, 102404), (25601, 78820), (39410, 51202)]