13839980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 144

約数和(自身を含む): 39325440

約数和(自身を除く): 25485460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 43, 44, 55, 70, 76, 77, 86, 95, 110, 121, 133, 140, 154, 172, 190, 209, 215, 220, 242, 266, 301, 308, 380, 385, 418, 430, 473, 484, 532, 602, 605, 665, 770, 817, 836, 847, 860, 946, 1045, 1204, 1210, 1330, 1463, 1505, 1540, 1634, 1694, 1892, 2090, 2299, 2365, 2420, 2660, 2926, 3010, 3268, 3311, 3388, 4085, 4180, 4235, 4598, 4730, 5203, 5719, 5852, 6020, 6622, 7315, 8170, 8470, 8987, 9196, 9460, 10406, 11438, 11495, 13244, 14630, 16093, 16340, 16555, 16940, 17974, 20812, 22876, 22990, 26015, 28595, 29260, 32186, 33110, 35948, 36421, 44935, 45980, 52030, 57190, 62909, 64372, 66220, 72842, 80465, 89870, 98857, 104060, 114380, 125818, 145684, 160930, 179740, 182105, 197714, 251636, 314545, 321860, 364210, 395428, 494285, 629090, 691999, 728420, 988570, 1258180, 1383998, 1977140, 2767996, 3459995, 6919990, 13839980]

約数ペア:

[(1, 13839980), (2, 6919990), (4, 3459995), (5, 2767996), (7, 1977140), (10, 1383998), (11, 1258180), (14, 988570), (19, 728420), (20, 691999), (22, 629090), (28, 494285), (35, 395428), (38, 364210), (43, 321860), (44, 314545), (55, 251636), (70, 197714), (76, 182105), (77, 179740), (86, 160930), (95, 145684), (110, 125818), (121, 114380), (133, 104060), (140, 98857), (154, 89870), (172, 80465), (190, 72842), (209, 66220), (215, 64372), (220, 62909), (242, 57190), (266, 52030), (301, 45980), (308, 44935), (380, 36421), (385, 35948), (418, 33110), (430, 32186), (473, 29260), (484, 28595), (532, 26015), (602, 22990), (605, 22876), (665, 20812), (770, 17974), (817, 16940), (836, 16555), (847, 16340), (860, 16093), (946, 14630), (1045, 13244), (1204, 11495), (1210, 11438), (1330, 10406), (1463, 9460), (1505, 9196), (1540, 8987), (1634, 8470), (1694, 8170), (1892, 7315), (2090, 6622), (2299, 6020), (2365, 5852), (2420, 5719), (2660, 5203), (2926, 4730), (3010, 4598), (3268, 4235), (3311, 4180), (3388, 4085)]