251189690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{3923}}^1$

素因数の和:4286

約数の個数: 32

約数和(自身を含む): 477472320

約数和(自身を除く): 226282630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 337, 674, 1685, 3370, 3923, 6403, 7846, 12806, 19615, 32015, 39230, 64030, 74537, 149074, 372685, 745370, 1322051, 2644102, 6610255, 13220510, 25118969, 50237938, 125594845, 251189690]

約数ペア:

[(1, 251189690), (2, 125594845), (5, 50237938), (10, 25118969), (19, 13220510), (38, 6610255), (95, 2644102), (190, 1322051), (337, 745370), (674, 372685), (1685, 149074), (3370, 74537), (3923, 64030), (6403, 39230), (7846, 32015), (12806, 19615)]