290005248

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:1000

約数の個数: 144

約数和(自身を含む): 858937856

約数和(自身を除く): 568932608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 186, 192, 208, 248, 256, 312, 372, 384, 403, 416, 496, 624, 744, 768, 806, 832, 937, 992, 1209, 1248, 1488, 1612, 1664, 1874, 1984, 2418, 2496, 2811, 2976, 3224, 3328, 3748, 3968, 4836, 4992, 5622, 5952, 6448, 7496, 7936, 9672, 9984, 11244, 11904, 12181, 12896, 14992, 19344, 22488, 23808, 24362, 25792, 29047, 29984, 36543, 38688, 44976, 48724, 51584, 58094, 59968, 73086, 77376, 87141, 89952, 97448, 103168, 116188, 119936, 146172, 154752, 174282, 179904, 194896, 232376, 239872, 292344, 309504, 348564, 359808, 377611, 389792, 464752, 584688, 697128, 719616, 755222, 779584, 929504, 1132833, 1169376, 1394256, 1510444, 1559168, 1859008, 2265666, 2338752, 2788512, 3020888, 3118336, 3718016, 4531332, 4677504, 5577024, 6041776, 7436032, 9062664, 9355008, 11154048, 12083552, 18125328, 22308096, 24167104, 36250656, 48334208, 72501312, 96668416, 145002624, 290005248]

約数ペア:

[(1, 290005248), (2, 145002624), (3, 96668416), (4, 72501312), (6, 48334208), (8, 36250656), (12, 24167104), (13, 22308096), (16, 18125328), (24, 12083552), (26, 11154048), (31, 9355008), (32, 9062664), (39, 7436032), (48, 6041776), (52, 5577024), (62, 4677504), (64, 4531332), (78, 3718016), (93, 3118336), (96, 3020888), (104, 2788512), (124, 2338752), (128, 2265666), (156, 1859008), (186, 1559168), (192, 1510444), (208, 1394256), (248, 1169376), (256, 1132833), (312, 929504), (372, 779584), (384, 755222), (403, 719616), (416, 697128), (496, 584688), (624, 464752), (744, 389792), (768, 377611), (806, 359808), (832, 348564), (937, 309504), (992, 292344), (1209, 239872), (1248, 232376), (1488, 194896), (1612, 179904), (1664, 174282), (1874, 154752), (1984, 146172), (2418, 119936), (2496, 116188), (2811, 103168), (2976, 97448), (3224, 89952), (3328, 87141), (3748, 77376), (3968, 73086), (4836, 59968), (4992, 58094), (5622, 51584), (5952, 48724), (6448, 44976), (7496, 38688), (7936, 36543), (9672, 29984), (9984, 29047), (11244, 25792), (11904, 24362), (12181, 23808), (12896, 22488), (14992, 19344)]