861126340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1\times {\mathrm{1051}}^1$

素因数の和:1708

約数の個数: 48

約数和(自身を含む): 1838761344

約数和(自身を除く): 977635004

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 577, 710, 1051, 1154, 1420, 2102, 2308, 2885, 4204, 5255, 5770, 10510, 11540, 21020, 40967, 74621, 81934, 149242, 163868, 204835, 298484, 373105, 409670, 606427, 746210, 819340, 1212854, 1492420, 2425708, 3032135, 6064270, 12128540, 43056317, 86112634, 172225268, 215281585, 430563170, 861126340]

約数ペア:

[(1, 861126340), (2, 430563170), (4, 215281585), (5, 172225268), (10, 86112634), (20, 43056317), (71, 12128540), (142, 6064270), (284, 3032135), (355, 2425708), (577, 1492420), (710, 1212854), (1051, 819340), (1154, 746210), (1420, 606427), (2102, 409670), (2308, 373105), (2885, 298484), (4204, 204835), (5255, 163868), (5770, 149242), (10510, 81934), (11540, 74621), (21020, 40967)]