131920000

素因数分解:

$2^7\times 5^4\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:148

約数の個数: 160

約数和(自身を含む): 351309420

約数和(自身を除く): 219389420

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 97, 100, 125, 128, 136, 160, 170, 194, 200, 250, 272, 320, 340, 388, 400, 425, 485, 500, 544, 625, 640, 680, 776, 800, 850, 970, 1000, 1088, 1250, 1360, 1552, 1600, 1649, 1700, 1940, 2000, 2125, 2176, 2425, 2500, 2720, 3104, 3200, 3298, 3400, 3880, 4000, 4250, 4850, 5000, 5440, 6208, 6596, 6800, 7760, 8000, 8245, 8500, 9700, 10000, 10625, 10880, 12125, 12416, 13192, 13600, 15520, 16000, 16490, 17000, 19400, 20000, 21250, 24250, 26384, 27200, 31040, 32980, 34000, 38800, 40000, 41225, 42500, 48500, 52768, 54400, 60625, 62080, 65960, 68000, 77600, 80000, 82450, 85000, 97000, 105536, 121250, 131920, 136000, 155200, 164900, 170000, 194000, 206125, 211072, 242500, 263840, 272000, 310400, 329800, 340000, 388000, 412250, 485000, 527680, 659600, 680000, 776000, 824500, 970000, 1030625, 1055360, 1319200, 1360000, 1552000, 1649000, 1940000, 2061250, 2638400, 3298000, 3880000, 4122500, 5276800, 6596000, 7760000, 8245000, 13192000, 16490000, 26384000, 32980000, 65960000, 131920000]

約数ペア:

[(1, 131920000), (2, 65960000), (4, 32980000), (5, 26384000), (8, 16490000), (10, 13192000), (16, 8245000), (17, 7760000), (20, 6596000), (25, 5276800), (32, 4122500), (34, 3880000), (40, 3298000), (50, 2638400), (64, 2061250), (68, 1940000), (80, 1649000), (85, 1552000), (97, 1360000), (100, 1319200), (125, 1055360), (128, 1030625), (136, 970000), (160, 824500), (170, 776000), (194, 680000), (200, 659600), (250, 527680), (272, 485000), (320, 412250), (340, 388000), (388, 340000), (400, 329800), (425, 310400), (485, 272000), (500, 263840), (544, 242500), (625, 211072), (640, 206125), (680, 194000), (776, 170000), (800, 164900), (850, 155200), (970, 136000), (1000, 131920), (1088, 121250), (1250, 105536), (1360, 97000), (1552, 85000), (1600, 82450), (1649, 80000), (1700, 77600), (1940, 68000), (2000, 65960), (2125, 62080), (2176, 60625), (2425, 54400), (2500, 52768), (2720, 48500), (3104, 42500), (3200, 41225), (3298, 40000), (3400, 38800), (3880, 34000), (4000, 32980), (4250, 31040), (4850, 27200), (5000, 26384), (5440, 24250), (6208, 21250), (6596, 20000), (6800, 19400), (7760, 17000), (8000, 16490), (8245, 16000), (8500, 15520), (9700, 13600), (10000, 13192), (10625, 12416), (10880, 12125)]