788875040

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:682

約数の個数: 96

約数和(自身を含む): 1905120000

約数和(自身を除く): 1116244960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 139, 158, 160, 278, 316, 395, 449, 556, 632, 695, 790, 898, 1112, 1264, 1390, 1580, 1796, 2224, 2245, 2528, 2780, 3160, 3592, 4448, 4490, 5560, 6320, 7184, 8980, 10981, 11120, 12640, 14368, 17960, 21962, 22240, 35471, 35920, 43924, 54905, 62411, 70942, 71840, 87848, 109810, 124822, 141884, 175696, 177355, 219620, 249644, 283768, 312055, 351392, 354710, 439240, 499288, 567536, 624110, 709420, 878480, 998576, 1135072, 1248220, 1418840, 1756960, 1997152, 2496440, 2837680, 4930469, 4992880, 5675360, 9860938, 9985760, 19721876, 24652345, 39443752, 49304690, 78887504, 98609380, 157775008, 197218760, 394437520, 788875040]

約数ペア:

[(1, 788875040), (2, 394437520), (4, 197218760), (5, 157775008), (8, 98609380), (10, 78887504), (16, 49304690), (20, 39443752), (32, 24652345), (40, 19721876), (79, 9985760), (80, 9860938), (139, 5675360), (158, 4992880), (160, 4930469), (278, 2837680), (316, 2496440), (395, 1997152), (449, 1756960), (556, 1418840), (632, 1248220), (695, 1135072), (790, 998576), (898, 878480), (1112, 709420), (1264, 624110), (1390, 567536), (1580, 499288), (1796, 439240), (2224, 354710), (2245, 351392), (2528, 312055), (2780, 283768), (3160, 249644), (3592, 219620), (4448, 177355), (4490, 175696), (5560, 141884), (6320, 124822), (7184, 109810), (8980, 87848), (10981, 71840), (11120, 70942), (12640, 62411), (14368, 54905), (17960, 43924), (21962, 35920), (22240, 35471)]