199411968

素因数分解:

$2^8\times 3^1\times 7^3\times {\mathrm{757}}^1$

素因数の和:797

約数の個数: 144

約数和(自身を含む): 619740800

約数和(自身を除く): 420328832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 294, 336, 343, 384, 392, 448, 588, 672, 686, 757, 768, 784, 896, 1029, 1176, 1344, 1372, 1514, 1568, 1792, 2058, 2271, 2352, 2688, 2744, 3028, 3136, 4116, 4542, 4704, 5299, 5376, 5488, 6056, 6272, 8232, 9084, 9408, 10598, 10976, 12112, 12544, 15897, 16464, 18168, 18816, 21196, 21952, 24224, 31794, 32928, 36336, 37093, 37632, 42392, 43904, 48448, 63588, 65856, 72672, 74186, 84784, 87808, 96896, 111279, 127176, 131712, 145344, 148372, 169568, 193792, 222558, 254352, 259651, 263424, 290688, 296744, 339136, 445116, 508704, 519302, 581376, 593488, 678272, 778953, 890232, 1017408, 1038604, 1186976, 1356544, 1557906, 1780464, 2034816, 2077208, 2373952, 3115812, 3560928, 4069632, 4154416, 4747904, 6231624, 7121856, 8308832, 9495808, 12463248, 14243712, 16617664, 24926496, 28487424, 33235328, 49852992, 66470656, 99705984, 199411968]

約数ペア:

[(1, 199411968), (2, 99705984), (3, 66470656), (4, 49852992), (6, 33235328), (7, 28487424), (8, 24926496), (12, 16617664), (14, 14243712), (16, 12463248), (21, 9495808), (24, 8308832), (28, 7121856), (32, 6231624), (42, 4747904), (48, 4154416), (49, 4069632), (56, 3560928), (64, 3115812), (84, 2373952), (96, 2077208), (98, 2034816), (112, 1780464), (128, 1557906), (147, 1356544), (168, 1186976), (192, 1038604), (196, 1017408), (224, 890232), (256, 778953), (294, 678272), (336, 593488), (343, 581376), (384, 519302), (392, 508704), (448, 445116), (588, 339136), (672, 296744), (686, 290688), (757, 263424), (768, 259651), (784, 254352), (896, 222558), (1029, 193792), (1176, 169568), (1344, 148372), (1372, 145344), (1514, 131712), (1568, 127176), (1792, 111279), (2058, 96896), (2271, 87808), (2352, 84784), (2688, 74186), (2744, 72672), (3028, 65856), (3136, 63588), (4116, 48448), (4542, 43904), (4704, 42392), (5299, 37632), (5376, 37093), (5488, 36336), (6056, 32928), (6272, 31794), (8232, 24224), (9084, 21952), (9408, 21196), (10598, 18816), (10976, 18168), (12112, 16464), (12544, 15897)]