387604490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{425939}}^1$

素因数の和:425966

約数の個数: 32

約数和(自身を含む): 858695040

約数和(自身を除く): 471090550

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 425939, 851878, 2129695, 2981573, 4259390, 5537207, 5963146, 11074414, 14907865, 27686035, 29815730, 38760449, 55372070, 77520898, 193802245, 387604490]

約数ペア:

[(1, 387604490), (2, 193802245), (5, 77520898), (7, 55372070), (10, 38760449), (13, 29815730), (14, 27686035), (26, 14907865), (35, 11074414), (65, 5963146), (70, 5537207), (91, 4259390), (130, 2981573), (182, 2129695), (455, 851878), (910, 425939)]