679000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{97}}^1$

素因数の和:125

約数の個数: 64

約数和(自身を含む): 1834560

約数和(自身を除く): 1155560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 97, 100, 125, 140, 175, 194, 200, 250, 280, 350, 388, 485, 500, 679, 700, 776, 875, 970, 1000, 1358, 1400, 1750, 1940, 2425, 2716, 3395, 3500, 3880, 4850, 5432, 6790, 7000, 9700, 12125, 13580, 16975, 19400, 24250, 27160, 33950, 48500, 67900, 84875, 97000, 135800, 169750, 339500, 679000]

約数ペア:

[(1, 679000), (2, 339500), (4, 169750), (5, 135800), (7, 97000), (8, 84875), (10, 67900), (14, 48500), (20, 33950), (25, 27160), (28, 24250), (35, 19400), (40, 16975), (50, 13580), (56, 12125), (70, 9700), (97, 7000), (100, 6790), (125, 5432), (140, 4850), (175, 3880), (194, 3500), (200, 3395), (250, 2716), (280, 2425), (350, 1940), (388, 1750), (485, 1400), (500, 1358), (679, 1000), (700, 970), (776, 875)]