238000000

素因数分解:

$2^7\times 5^6\times 7^1\times {\mathrm{17}}^1$

素因数の和:68

約数の個数: 224

約数和(自身を含む): 717178320

約数和(自身を除く): 479178320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 32, 34, 35, 40, 50, 56, 64, 68, 70, 80, 85, 100, 112, 119, 125, 128, 136, 140, 160, 170, 175, 200, 224, 238, 250, 272, 280, 320, 340, 350, 400, 425, 448, 476, 500, 544, 560, 595, 625, 640, 680, 700, 800, 850, 875, 896, 952, 1000, 1088, 1120, 1190, 1250, 1360, 1400, 1600, 1700, 1750, 1904, 2000, 2125, 2176, 2240, 2380, 2500, 2720, 2800, 2975, 3125, 3200, 3400, 3500, 3808, 4000, 4250, 4375, 4480, 4760, 5000, 5440, 5600, 5950, 6250, 6800, 7000, 7616, 8000, 8500, 8750, 9520, 10000, 10625, 10880, 11200, 11900, 12500, 13600, 14000, 14875, 15232, 15625, 16000, 17000, 17500, 19040, 20000, 21250, 21875, 22400, 23800, 25000, 27200, 28000, 29750, 31250, 34000, 35000, 38080, 40000, 42500, 43750, 47600, 50000, 53125, 54400, 56000, 59500, 62500, 68000, 70000, 74375, 76160, 80000, 85000, 87500, 95200, 100000, 106250, 109375, 112000, 119000, 125000, 136000, 140000, 148750, 170000, 175000, 190400, 200000, 212500, 218750, 238000, 250000, 265625, 272000, 280000, 297500, 340000, 350000, 371875, 380800, 400000, 425000, 437500, 476000, 500000, 531250, 560000, 595000, 680000, 700000, 743750, 850000, 875000, 952000, 1000000, 1062500, 1190000, 1360000, 1400000, 1487500, 1700000, 1750000, 1859375, 1904000, 2000000, 2125000, 2380000, 2800000, 2975000, 3400000, 3500000, 3718750, 4250000, 4760000, 5950000, 6800000, 7000000, 7437500, 8500000, 9520000, 11900000, 14000000, 14875000, 17000000, 23800000, 29750000, 34000000, 47600000, 59500000, 119000000, 238000000]

約数ペア:

[(1, 238000000), (2, 119000000), (4, 59500000), (5, 47600000), (7, 34000000), (8, 29750000), (10, 23800000), (14, 17000000), (16, 14875000), (17, 14000000), (20, 11900000), (25, 9520000), (28, 8500000), (32, 7437500), (34, 7000000), (35, 6800000), (40, 5950000), (50, 4760000), (56, 4250000), (64, 3718750), (68, 3500000), (70, 3400000), (80, 2975000), (85, 2800000), (100, 2380000), (112, 2125000), (119, 2000000), (125, 1904000), (128, 1859375), (136, 1750000), (140, 1700000), (160, 1487500), (170, 1400000), (175, 1360000), (200, 1190000), (224, 1062500), (238, 1000000), (250, 952000), (272, 875000), (280, 850000), (320, 743750), (340, 700000), (350, 680000), (400, 595000), (425, 560000), (448, 531250), (476, 500000), (500, 476000), (544, 437500), (560, 425000), (595, 400000), (625, 380800), (640, 371875), (680, 350000), (700, 340000), (800, 297500), (850, 280000), (875, 272000), (896, 265625), (952, 250000), (1000, 238000), (1088, 218750), (1120, 212500), (1190, 200000), (1250, 190400), (1360, 175000), (1400, 170000), (1600, 148750), (1700, 140000), (1750, 136000), (1904, 125000), (2000, 119000), (2125, 112000), (2176, 109375), (2240, 106250), (2380, 100000), (2500, 95200), (2720, 87500), (2800, 85000), (2975, 80000), (3125, 76160), (3200, 74375), (3400, 70000), (3500, 68000), (3808, 62500), (4000, 59500), (4250, 56000), (4375, 54400), (4480, 53125), (4760, 50000), (5000, 47600), (5440, 43750), (5600, 42500), (5950, 40000), (6250, 38080), (6800, 35000), (7000, 34000), (7616, 31250), (8000, 29750), (8500, 28000), (8750, 27200), (9520, 25000), (10000, 23800), (10625, 22400), (10880, 21875), (11200, 21250), (11900, 20000), (12500, 19040), (13600, 17500), (14000, 17000), (14875, 16000), (15232, 15625)]