31001200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 81369792

約数和(自身を除く): 50368592

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 47, 50, 68, 80, 85, 94, 97, 100, 136, 170, 188, 194, 200, 235, 272, 340, 376, 388, 400, 425, 470, 485, 680, 752, 776, 799, 850, 940, 970, 1175, 1360, 1552, 1598, 1649, 1700, 1880, 1940, 2350, 2425, 3196, 3298, 3400, 3760, 3880, 3995, 4559, 4700, 4850, 6392, 6596, 6800, 7760, 7990, 8245, 9118, 9400, 9700, 12784, 13192, 15980, 16490, 18236, 18800, 19400, 19975, 22795, 26384, 31960, 32980, 36472, 38800, 39950, 41225, 45590, 63920, 65960, 72944, 77503, 79900, 82450, 91180, 113975, 131920, 155006, 159800, 164900, 182360, 227950, 310012, 319600, 329800, 364720, 387515, 455900, 620024, 659600, 775030, 911800, 1240048, 1550060, 1823600, 1937575, 3100120, 3875150, 6200240, 7750300, 15500600, 31001200]

約数ペア:

[(1, 31001200), (2, 15500600), (4, 7750300), (5, 6200240), (8, 3875150), (10, 3100120), (16, 1937575), (17, 1823600), (20, 1550060), (25, 1240048), (34, 911800), (40, 775030), (47, 659600), (50, 620024), (68, 455900), (80, 387515), (85, 364720), (94, 329800), (97, 319600), (100, 310012), (136, 227950), (170, 182360), (188, 164900), (194, 159800), (200, 155006), (235, 131920), (272, 113975), (340, 91180), (376, 82450), (388, 79900), (400, 77503), (425, 72944), (470, 65960), (485, 63920), (680, 45590), (752, 41225), (776, 39950), (799, 38800), (850, 36472), (940, 32980), (970, 31960), (1175, 26384), (1360, 22795), (1552, 19975), (1598, 19400), (1649, 18800), (1700, 18236), (1880, 16490), (1940, 15980), (2350, 13192), (2425, 12784), (3196, 9700), (3298, 9400), (3400, 9118), (3760, 8245), (3880, 7990), (3995, 7760), (4559, 6800), (4700, 6596), (4850, 6392)]