397316904

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:975

約数の個数: 128

約数和(自身を含む): 1117670400

約数和(自身を除く): 720353496

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 23, 24, 38, 43, 46, 57, 69, 76, 86, 92, 114, 129, 138, 152, 172, 184, 228, 258, 276, 344, 437, 456, 516, 552, 817, 874, 881, 989, 1032, 1311, 1634, 1748, 1762, 1978, 2451, 2622, 2643, 2967, 3268, 3496, 3524, 3956, 4902, 5244, 5286, 5934, 6536, 7048, 7912, 9804, 10488, 10572, 11868, 16739, 18791, 19608, 20263, 21144, 23736, 33478, 37582, 37883, 40526, 50217, 56373, 60789, 66956, 75164, 75766, 81052, 100434, 112746, 113649, 121578, 133912, 150328, 151532, 162104, 200868, 225492, 227298, 243156, 303064, 384997, 401736, 450984, 454596, 486312, 719777, 769994, 871309, 909192, 1154991, 1439554, 1539988, 1742618, 2159331, 2309982, 2613927, 2879108, 3079976, 3485236, 4318662, 4619964, 5227854, 5758216, 6970472, 8637324, 9239928, 10455708, 16554871, 17274648, 20911416, 33109742, 49664613, 66219484, 99329226, 132438968, 198658452, 397316904]

約数ペア:

[(1, 397316904), (2, 198658452), (3, 132438968), (4, 99329226), (6, 66219484), (8, 49664613), (12, 33109742), (19, 20911416), (23, 17274648), (24, 16554871), (38, 10455708), (43, 9239928), (46, 8637324), (57, 6970472), (69, 5758216), (76, 5227854), (86, 4619964), (92, 4318662), (114, 3485236), (129, 3079976), (138, 2879108), (152, 2613927), (172, 2309982), (184, 2159331), (228, 1742618), (258, 1539988), (276, 1439554), (344, 1154991), (437, 909192), (456, 871309), (516, 769994), (552, 719777), (817, 486312), (874, 454596), (881, 450984), (989, 401736), (1032, 384997), (1311, 303064), (1634, 243156), (1748, 227298), (1762, 225492), (1978, 200868), (2451, 162104), (2622, 151532), (2643, 150328), (2967, 133912), (3268, 121578), (3496, 113649), (3524, 112746), (3956, 100434), (4902, 81052), (5244, 75766), (5286, 75164), (5934, 66956), (6536, 60789), (7048, 56373), (7912, 50217), (9804, 40526), (10488, 37883), (10572, 37582), (11868, 33478), (16739, 23736), (18791, 21144), (19608, 20263)]