289090720

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{42019}}^1$

素因数の和:42077

約数の個数: 48

約数和(自身を含む): 698876640

約数和(自身を除く): 409785920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 42019, 84038, 168076, 210095, 336152, 420190, 672304, 840380, 1344608, 1680760, 1806817, 3361520, 3613634, 6723040, 7227268, 9034085, 14454536, 18068170, 28909072, 36136340, 57818144, 72272680, 144545360, 289090720]

約数ペア:

[(1, 289090720), (2, 144545360), (4, 72272680), (5, 57818144), (8, 36136340), (10, 28909072), (16, 18068170), (20, 14454536), (32, 9034085), (40, 7227268), (43, 6723040), (80, 3613634), (86, 3361520), (160, 1806817), (172, 1680760), (215, 1344608), (344, 840380), (430, 672304), (688, 420190), (860, 336152), (1376, 210095), (1720, 168076), (3440, 84038), (6880, 42019)]