67900000

素因数分解:

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

素因数の和:139

約数の個数: 144

約数和(自身を含む): 192925152

約数和(自身を除く): 125025152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 97, 100, 112, 125, 140, 160, 175, 194, 200, 224, 250, 280, 350, 388, 400, 485, 500, 560, 625, 679, 700, 776, 800, 875, 970, 1000, 1120, 1250, 1358, 1400, 1552, 1750, 1940, 2000, 2425, 2500, 2716, 2800, 3104, 3125, 3395, 3500, 3880, 4000, 4375, 4850, 5000, 5432, 5600, 6250, 6790, 7000, 7760, 8750, 9700, 10000, 10864, 12125, 12500, 13580, 14000, 15520, 16975, 17500, 19400, 20000, 21728, 21875, 24250, 25000, 27160, 28000, 33950, 35000, 38800, 43750, 48500, 50000, 54320, 60625, 67900, 70000, 77600, 84875, 87500, 97000, 100000, 108640, 121250, 135800, 140000, 169750, 175000, 194000, 242500, 271600, 303125, 339500, 350000, 388000, 424375, 485000, 543200, 606250, 679000, 700000, 848750, 970000, 1212500, 1358000, 1697500, 1940000, 2121875, 2425000, 2716000, 3395000, 4243750, 4850000, 6790000, 8487500, 9700000, 13580000, 16975000, 33950000, 67900000]

約数ペア:

[(1, 67900000), (2, 33950000), (4, 16975000), (5, 13580000), (7, 9700000), (8, 8487500), (10, 6790000), (14, 4850000), (16, 4243750), (20, 3395000), (25, 2716000), (28, 2425000), (32, 2121875), (35, 1940000), (40, 1697500), (50, 1358000), (56, 1212500), (70, 970000), (80, 848750), (97, 700000), (100, 679000), (112, 606250), (125, 543200), (140, 485000), (160, 424375), (175, 388000), (194, 350000), (200, 339500), (224, 303125), (250, 271600), (280, 242500), (350, 194000), (388, 175000), (400, 169750), (485, 140000), (500, 135800), (560, 121250), (625, 108640), (679, 100000), (700, 97000), (776, 87500), (800, 84875), (875, 77600), (970, 70000), (1000, 67900), (1120, 60625), (1250, 54320), (1358, 50000), (1400, 48500), (1552, 43750), (1750, 38800), (1940, 35000), (2000, 33950), (2425, 28000), (2500, 27160), (2716, 25000), (2800, 24250), (3104, 21875), (3125, 21728), (3395, 20000), (3500, 19400), (3880, 17500), (4000, 16975), (4375, 15520), (4850, 14000), (5000, 13580), (5432, 12500), (5600, 12125), (6250, 10864), (6790, 10000), (7000, 9700), (7760, 8750)]