298715440

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{11779}}^1$

素因数の和:12109

約数の個数: 40

約数和(自身を含む): 696763440

約数和(自身を除く): 398048000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 3170, 5072, 6340, 11779, 12680, 23558, 25360, 47116, 58895, 94232, 117790, 188464, 235580, 471160, 942320, 3733943, 7467886, 14935772, 18669715, 29871544, 37339430, 59743088, 74678860, 149357720, 298715440]

約数ペア:

[(1, 298715440), (2, 149357720), (4, 74678860), (5, 59743088), (8, 37339430), (10, 29871544), (16, 18669715), (20, 14935772), (40, 7467886), (80, 3733943), (317, 942320), (634, 471160), (1268, 235580), (1585, 188464), (2536, 117790), (3170, 94232), (5072, 58895), (6340, 47116), (11779, 25360), (12680, 23558)]