206420004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 616412160

約数和(自身を除く): 409992156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 83, 84, 126, 139, 142, 166, 213, 249, 252, 278, 284, 332, 417, 426, 497, 498, 556, 581, 639, 747, 834, 852, 973, 994, 996, 1162, 1251, 1278, 1491, 1494, 1668, 1743, 1946, 1988, 2324, 2502, 2556, 2919, 2982, 2988, 3486, 3892, 4473, 5004, 5229, 5838, 5893, 5964, 6972, 8757, 8946, 9869, 10458, 11537, 11676, 11786, 17514, 17679, 17892, 19738, 20916, 23074, 23572, 29607, 34611, 35028, 35358, 39476, 41251, 46148, 53037, 59214, 69083, 69222, 70716, 80759, 82502, 88821, 103833, 106074, 118428, 123753, 138166, 138444, 161518, 165004, 177642, 207249, 207666, 212148, 242277, 247506, 276332, 323036, 355284, 371259, 414498, 415332, 484554, 495012, 621747, 726831, 742518, 819127, 828996, 969108, 1243494, 1453662, 1485036, 1638254, 2457381, 2486988, 2907324, 3276508, 4914762, 5733889, 7372143, 9829524, 11467778, 14744286, 17201667, 22935556, 29488572, 34403334, 51605001, 68806668, 103210002, 206420004]

約数ペア:

[(1, 206420004), (2, 103210002), (3, 68806668), (4, 51605001), (6, 34403334), (7, 29488572), (9, 22935556), (12, 17201667), (14, 14744286), (18, 11467778), (21, 9829524), (28, 7372143), (36, 5733889), (42, 4914762), (63, 3276508), (71, 2907324), (83, 2486988), (84, 2457381), (126, 1638254), (139, 1485036), (142, 1453662), (166, 1243494), (213, 969108), (249, 828996), (252, 819127), (278, 742518), (284, 726831), (332, 621747), (417, 495012), (426, 484554), (497, 415332), (498, 414498), (556, 371259), (581, 355284), (639, 323036), (747, 276332), (834, 247506), (852, 242277), (973, 212148), (994, 207666), (996, 207249), (1162, 177642), (1251, 165004), (1278, 161518), (1491, 138444), (1494, 138166), (1668, 123753), (1743, 118428), (1946, 106074), (1988, 103833), (2324, 88821), (2502, 82502), (2556, 80759), (2919, 70716), (2982, 69222), (2988, 69083), (3486, 59214), (3892, 53037), (4473, 46148), (5004, 41251), (5229, 39476), (5838, 35358), (5893, 35028), (5964, 34611), (6972, 29607), (8757, 23572), (8946, 23074), (9869, 20916), (10458, 19738), (11537, 17892), (11676, 17679), (11786, 17514)]