278303298

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:376

約数の個数: 128

約数和(自身を含む): 730060800

約数和(自身を除く): 451757502

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 139, 182, 193, 247, 266, 273, 278, 386, 399, 417, 494, 546, 579, 741, 798, 834, 973, 1158, 1351, 1482, 1729, 1807, 1946, 2509, 2641, 2702, 2919, 3458, 3614, 3667, 4053, 5018, 5187, 5282, 5421, 5838, 7334, 7527, 7923, 8106, 10374, 10842, 11001, 12649, 15054, 15846, 17563, 18487, 22002, 25298, 25669, 26827, 34333, 35126, 36974, 37947, 47671, 51338, 52689, 53654, 55461, 68666, 75894, 77007, 80481, 95342, 102999, 105378, 110922, 143013, 154014, 160962, 187789, 205998, 240331, 286026, 333697, 348751, 375578, 480662, 509713, 563367, 667394, 697502, 720993, 1001091, 1019426, 1046253, 1126734, 1441986, 1529139, 2002182, 2092506, 2441257, 3058278, 3567991, 4882514, 6626269, 7135982, 7323771, 10703973, 13252538, 14647542, 19878807, 21407946, 39757614, 46383883, 92767766, 139151649, 278303298]

約数ペア:

[(1, 278303298), (2, 139151649), (3, 92767766), (6, 46383883), (7, 39757614), (13, 21407946), (14, 19878807), (19, 14647542), (21, 13252538), (26, 10703973), (38, 7323771), (39, 7135982), (42, 6626269), (57, 4882514), (78, 3567991), (91, 3058278), (114, 2441257), (133, 2092506), (139, 2002182), (182, 1529139), (193, 1441986), (247, 1126734), (266, 1046253), (273, 1019426), (278, 1001091), (386, 720993), (399, 697502), (417, 667394), (494, 563367), (546, 509713), (579, 480662), (741, 375578), (798, 348751), (834, 333697), (973, 286026), (1158, 240331), (1351, 205998), (1482, 187789), (1729, 160962), (1807, 154014), (1946, 143013), (2509, 110922), (2641, 105378), (2702, 102999), (2919, 95342), (3458, 80481), (3614, 77007), (3667, 75894), (4053, 68666), (5018, 55461), (5187, 53654), (5282, 52689), (5421, 51338), (5838, 47671), (7334, 37947), (7527, 36974), (7923, 35126), (8106, 34333), (10374, 26827), (10842, 25669), (11001, 25298), (12649, 22002), (15054, 18487), (15846, 17563)]