51999200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:361

約数の個数: 144

約数和(自身を含む): 146240640

約数和(自身を除く): 94241440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 32, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 152, 160, 176, 190, 200, 209, 220, 275, 304, 311, 352, 380, 400, 418, 440, 475, 550, 608, 622, 760, 800, 836, 880, 950, 1045, 1100, 1244, 1520, 1555, 1672, 1760, 1900, 2090, 2200, 2488, 3040, 3110, 3344, 3421, 3800, 4180, 4400, 4976, 5225, 5909, 6220, 6688, 6842, 7600, 7775, 8360, 8800, 9952, 10450, 11818, 12440, 13684, 15200, 15550, 16720, 17105, 20900, 23636, 24880, 27368, 29545, 31100, 33440, 34210, 41800, 47272, 49760, 54736, 59090, 62200, 64999, 68420, 83600, 85525, 94544, 109472, 118180, 124400, 129998, 136840, 147725, 167200, 171050, 189088, 236360, 248800, 259996, 273680, 295450, 324995, 342100, 472720, 519992, 547360, 590900, 649990, 684200, 945440, 1039984, 1181800, 1299980, 1368400, 1624975, 2079968, 2363600, 2599960, 2736800, 3249950, 4727200, 5199920, 6499900, 10399840, 12999800, 25999600, 51999200]

約数ペア:

[(1, 51999200), (2, 25999600), (4, 12999800), (5, 10399840), (8, 6499900), (10, 5199920), (11, 4727200), (16, 3249950), (19, 2736800), (20, 2599960), (22, 2363600), (25, 2079968), (32, 1624975), (38, 1368400), (40, 1299980), (44, 1181800), (50, 1039984), (55, 945440), (76, 684200), (80, 649990), (88, 590900), (95, 547360), (100, 519992), (110, 472720), (152, 342100), (160, 324995), (176, 295450), (190, 273680), (200, 259996), (209, 248800), (220, 236360), (275, 189088), (304, 171050), (311, 167200), (352, 147725), (380, 136840), (400, 129998), (418, 124400), (440, 118180), (475, 109472), (550, 94544), (608, 85525), (622, 83600), (760, 68420), (800, 64999), (836, 62200), (880, 59090), (950, 54736), (1045, 49760), (1100, 47272), (1244, 41800), (1520, 34210), (1555, 33440), (1672, 31100), (1760, 29545), (1900, 27368), (2090, 24880), (2200, 23636), (2488, 20900), (3040, 17105), (3110, 16720), (3344, 15550), (3421, 15200), (3800, 13684), (4180, 12440), (4400, 11818), (4976, 10450), (5225, 9952), (5909, 8800), (6220, 8360), (6688, 7775), (6842, 7600)]