68468680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 181130040

約数和(自身を除く): 112661360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 181, 193, 196, 245, 280, 362, 386, 392, 490, 724, 772, 905, 965, 980, 1267, 1351, 1448, 1544, 1810, 1930, 1960, 2534, 2702, 3620, 3860, 5068, 5404, 6335, 6755, 7240, 7720, 8869, 9457, 10136, 10808, 12670, 13510, 17738, 18914, 25340, 27020, 34933, 35476, 37828, 44345, 47285, 50680, 54040, 69866, 70952, 75656, 88690, 94570, 139732, 174665, 177380, 189140, 244531, 279464, 349330, 354760, 378280, 489062, 698660, 978124, 1222655, 1397320, 1711717, 1956248, 2445310, 3423434, 4890620, 6846868, 8558585, 9781240, 13693736, 17117170, 34234340, 68468680]

約数ペア:

[(1, 68468680), (2, 34234340), (4, 17117170), (5, 13693736), (7, 9781240), (8, 8558585), (10, 6846868), (14, 4890620), (20, 3423434), (28, 2445310), (35, 1956248), (40, 1711717), (49, 1397320), (56, 1222655), (70, 978124), (98, 698660), (140, 489062), (181, 378280), (193, 354760), (196, 349330), (245, 279464), (280, 244531), (362, 189140), (386, 177380), (392, 174665), (490, 139732), (724, 94570), (772, 88690), (905, 75656), (965, 70952), (980, 69866), (1267, 54040), (1351, 50680), (1448, 47285), (1544, 44345), (1810, 37828), (1930, 35476), (1960, 34933), (2534, 27020), (2702, 25340), (3620, 18914), (3860, 17738), (5068, 13510), (5404, 12670), (6335, 10808), (6755, 10136), (7240, 9457), (7720, 8869)]