970000

素因数分解:

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

素因数の和:125

約数の個数: 50

約数和(自身を含む): 2372678

約数和(自身を除く): 1402678

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 97, 100, 125, 194, 200, 250, 388, 400, 485, 500, 625, 776, 970, 1000, 1250, 1552, 1940, 2000, 2425, 2500, 3880, 4850, 5000, 7760, 9700, 10000, 12125, 19400, 24250, 38800, 48500, 60625, 97000, 121250, 194000, 242500, 485000, 970000]

約数ペア:

[(1, 970000), (2, 485000), (4, 242500), (5, 194000), (8, 121250), (10, 97000), (16, 60625), (20, 48500), (25, 38800), (40, 24250), (50, 19400), (80, 12125), (97, 10000), (100, 9700), (125, 7760), (194, 5000), (200, 4850), (250, 3880), (388, 2500), (400, 2425), (485, 2000), (500, 1940), (625, 1552), (776, 1250), (970, 1000)]