280421316

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2239}}^1$

素因数の和:2334

約数の個数: 108

約数和(自身を含む): 836559360

約数和(自身を除く): 556138044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 71, 84, 98, 126, 142, 147, 196, 213, 252, 284, 294, 426, 441, 497, 588, 639, 852, 882, 994, 1278, 1491, 1764, 1988, 2239, 2556, 2982, 3479, 4473, 4478, 5964, 6717, 6958, 8946, 8956, 10437, 13434, 13916, 15673, 17892, 20151, 20874, 26868, 31311, 31346, 40302, 41748, 47019, 62622, 62692, 80604, 94038, 109711, 125244, 141057, 158969, 188076, 219422, 282114, 317938, 329133, 438844, 476907, 564228, 635876, 658266, 953814, 987399, 1112783, 1316532, 1430721, 1907628, 1974798, 2225566, 2861442, 3338349, 3949596, 4451132, 5722884, 6676698, 7789481, 10015047, 13353396, 15578962, 20030094, 23368443, 31157924, 40060188, 46736886, 70105329, 93473772, 140210658, 280421316]

約数ペア:

[(1, 280421316), (2, 140210658), (3, 93473772), (4, 70105329), (6, 46736886), (7, 40060188), (9, 31157924), (12, 23368443), (14, 20030094), (18, 15578962), (21, 13353396), (28, 10015047), (36, 7789481), (42, 6676698), (49, 5722884), (63, 4451132), (71, 3949596), (84, 3338349), (98, 2861442), (126, 2225566), (142, 1974798), (147, 1907628), (196, 1430721), (213, 1316532), (252, 1112783), (284, 987399), (294, 953814), (426, 658266), (441, 635876), (497, 564228), (588, 476907), (639, 438844), (852, 329133), (882, 317938), (994, 282114), (1278, 219422), (1491, 188076), (1764, 158969), (1988, 141057), (2239, 125244), (2556, 109711), (2982, 94038), (3479, 80604), (4473, 62692), (4478, 62622), (5964, 47019), (6717, 41748), (6958, 40302), (8946, 31346), (8956, 31311), (10437, 26868), (13434, 20874), (13916, 20151), (15673, 17892)]