28013370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 128

約数和(自身を含む): 85542912

約数和(自身を除く): 57529542

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 67, 70, 77, 105, 110, 134, 154, 165, 181, 201, 210, 231, 330, 335, 362, 385, 402, 462, 469, 543, 670, 737, 770, 905, 938, 1005, 1086, 1155, 1267, 1407, 1474, 1810, 1991, 2010, 2211, 2310, 2345, 2534, 2715, 2814, 3685, 3801, 3982, 4422, 4690, 5159, 5430, 5973, 6335, 7035, 7370, 7602, 9955, 10318, 11055, 11946, 12127, 12670, 13937, 14070, 15477, 19005, 19910, 22110, 24254, 25795, 27874, 29865, 30954, 36381, 38010, 41811, 51590, 59730, 60635, 69685, 72762, 77385, 83622, 84889, 121270, 133397, 139370, 154770, 169778, 181905, 209055, 254667, 266794, 363810, 400191, 418110, 424445, 509334, 666985, 800382, 848890, 933779, 1273335, 1333970, 1867558, 2000955, 2546670, 2801337, 4001910, 4668895, 5602674, 9337790, 14006685, 28013370]

約数ペア:

[(1, 28013370), (2, 14006685), (3, 9337790), (5, 5602674), (6, 4668895), (7, 4001910), (10, 2801337), (11, 2546670), (14, 2000955), (15, 1867558), (21, 1333970), (22, 1273335), (30, 933779), (33, 848890), (35, 800382), (42, 666985), (55, 509334), (66, 424445), (67, 418110), (70, 400191), (77, 363810), (105, 266794), (110, 254667), (134, 209055), (154, 181905), (165, 169778), (181, 154770), (201, 139370), (210, 133397), (231, 121270), (330, 84889), (335, 83622), (362, 77385), (385, 72762), (402, 69685), (462, 60635), (469, 59730), (543, 51590), (670, 41811), (737, 38010), (770, 36381), (905, 30954), (938, 29865), (1005, 27874), (1086, 25795), (1155, 24254), (1267, 22110), (1407, 19910), (1474, 19005), (1810, 15477), (1991, 14070), (2010, 13937), (2211, 12670), (2310, 12127), (2345, 11946), (2534, 11055), (2715, 10318), (2814, 9955), (3685, 7602), (3801, 7370), (3982, 7035), (4422, 6335), (4690, 5973), (5159, 5430)]