970000000

素因数分解:

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

素因数の和:146

約数の個数: 128

約数和(自身を含む): 2440423440

約数和(自身を除く): 1470423440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 125, 128, 160, 194, 200, 250, 320, 388, 400, 485, 500, 625, 640, 776, 800, 970, 1000, 1250, 1552, 1600, 1940, 2000, 2425, 2500, 3104, 3125, 3200, 3880, 4000, 4850, 5000, 6208, 6250, 7760, 8000, 9700, 10000, 12125, 12416, 12500, 15520, 15625, 16000, 19400, 20000, 24250, 25000, 31040, 31250, 38800, 40000, 48500, 50000, 60625, 62080, 62500, 77600, 78125, 80000, 97000, 100000, 121250, 125000, 155200, 156250, 194000, 200000, 242500, 250000, 303125, 310400, 312500, 388000, 400000, 485000, 500000, 606250, 625000, 776000, 970000, 1000000, 1212500, 1250000, 1515625, 1552000, 1940000, 2000000, 2425000, 2500000, 3031250, 3880000, 4850000, 5000000, 6062500, 7578125, 7760000, 9700000, 10000000, 12125000, 15156250, 19400000, 24250000, 30312500, 38800000, 48500000, 60625000, 97000000, 121250000, 194000000, 242500000, 485000000, 970000000]

約数ペア:

[(1, 970000000), (2, 485000000), (4, 242500000), (5, 194000000), (8, 121250000), (10, 97000000), (16, 60625000), (20, 48500000), (25, 38800000), (32, 30312500), (40, 24250000), (50, 19400000), (64, 15156250), (80, 12125000), (97, 10000000), (100, 9700000), (125, 7760000), (128, 7578125), (160, 6062500), (194, 5000000), (200, 4850000), (250, 3880000), (320, 3031250), (388, 2500000), (400, 2425000), (485, 2000000), (500, 1940000), (625, 1552000), (640, 1515625), (776, 1250000), (800, 1212500), (970, 1000000), (1000, 970000), (1250, 776000), (1552, 625000), (1600, 606250), (1940, 500000), (2000, 485000), (2425, 400000), (2500, 388000), (3104, 312500), (3125, 310400), (3200, 303125), (3880, 250000), (4000, 242500), (4850, 200000), (5000, 194000), (6208, 156250), (6250, 155200), (7760, 125000), (8000, 121250), (9700, 100000), (10000, 97000), (12125, 80000), (12416, 78125), (12500, 77600), (15520, 62500), (15625, 62080), (16000, 60625), (19400, 50000), (20000, 48500), (24250, 40000), (25000, 38800), (31040, 31250)]