187345840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4951}}^1$

素因数の和:5018

約数の個数: 80

約数和(自身を含む): 486326016

約数和(自身を除く): 298980176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 3440, 3784, 4730, 4951, 7568, 9460, 9902, 18920, 19804, 24755, 37840, 39608, 49510, 54461, 79216, 99020, 108922, 198040, 212893, 217844, 272305, 396080, 425786, 435688, 544610, 851572, 871376, 1064465, 1089220, 1703144, 2128930, 2178440, 2341823, 3406288, 4257860, 4356880, 4683646, 8515720, 9367292, 11709115, 17031440, 18734584, 23418230, 37469168, 46836460, 93672920, 187345840]

約数ペア:

[(1, 187345840), (2, 93672920), (4, 46836460), (5, 37469168), (8, 23418230), (10, 18734584), (11, 17031440), (16, 11709115), (20, 9367292), (22, 8515720), (40, 4683646), (43, 4356880), (44, 4257860), (55, 3406288), (80, 2341823), (86, 2178440), (88, 2128930), (110, 1703144), (172, 1089220), (176, 1064465), (215, 871376), (220, 851572), (344, 544610), (430, 435688), (440, 425786), (473, 396080), (688, 272305), (860, 217844), (880, 212893), (946, 198040), (1720, 108922), (1892, 99020), (2365, 79216), (3440, 54461), (3784, 49510), (4730, 39608), (4951, 37840), (7568, 24755), (9460, 19804), (9902, 18920)]