268976708

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 660667392

約数和(自身を除く): 391690684

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 44, 52, 62, 77, 91, 121, 124, 143, 154, 182, 197, 217, 242, 286, 308, 341, 364, 394, 403, 434, 484, 572, 682, 788, 806, 847, 868, 1001, 1364, 1379, 1573, 1612, 1694, 2002, 2167, 2387, 2561, 2758, 2821, 3146, 3388, 3751, 4004, 4334, 4433, 4774, 5122, 5516, 5642, 6107, 6292, 7502, 8668, 8866, 9548, 10244, 11011, 11284, 12214, 15004, 15169, 17732, 17927, 22022, 23837, 24428, 26257, 28171, 30338, 31031, 35854, 42749, 44044, 47674, 48763, 52514, 56342, 60676, 62062, 67177, 71708, 79391, 85498, 95348, 97526, 105028, 112684, 124124, 134354, 158782, 166859, 170996, 195052, 197197, 268708, 309881, 317564, 333718, 341341, 394394, 470239, 555737, 619762, 667436, 682682, 738947, 788788, 873301, 940478, 1111474, 1239524, 1365364, 1477894, 1746602, 1880956, 2169167, 2222948, 2955788, 3493204, 4338334, 5172629, 6113107, 8676668, 9606311, 10345258, 12226214, 19212622, 20690516, 24452428, 38425244, 67244177, 134488354, 268976708]

約数ペア:

[(1, 268976708), (2, 134488354), (4, 67244177), (7, 38425244), (11, 24452428), (13, 20690516), (14, 19212622), (22, 12226214), (26, 10345258), (28, 9606311), (31, 8676668), (44, 6113107), (52, 5172629), (62, 4338334), (77, 3493204), (91, 2955788), (121, 2222948), (124, 2169167), (143, 1880956), (154, 1746602), (182, 1477894), (197, 1365364), (217, 1239524), (242, 1111474), (286, 940478), (308, 873301), (341, 788788), (364, 738947), (394, 682682), (403, 667436), (434, 619762), (484, 555737), (572, 470239), (682, 394394), (788, 341341), (806, 333718), (847, 317564), (868, 309881), (1001, 268708), (1364, 197197), (1379, 195052), (1573, 170996), (1612, 166859), (1694, 158782), (2002, 134354), (2167, 124124), (2387, 112684), (2561, 105028), (2758, 97526), (2821, 95348), (3146, 85498), (3388, 79391), (3751, 71708), (4004, 67177), (4334, 62062), (4433, 60676), (4774, 56342), (5122, 52514), (5516, 48763), (5642, 47674), (6107, 44044), (6292, 42749), (7502, 35854), (8668, 31031), (8866, 30338), (9548, 28171), (10244, 26257), (11011, 24428), (11284, 23837), (12214, 22022), (15004, 17927), (15169, 17732)]