1379000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{197}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 3706560

約数和(自身を除く): 2327560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 197, 200, 250, 280, 350, 394, 500, 700, 788, 875, 985, 1000, 1379, 1400, 1576, 1750, 1970, 2758, 3500, 3940, 4925, 5516, 6895, 7000, 7880, 9850, 11032, 13790, 19700, 24625, 27580, 34475, 39400, 49250, 55160, 68950, 98500, 137900, 172375, 197000, 275800, 344750, 689500, 1379000]

約数ペア:

[(1, 1379000), (2, 689500), (4, 344750), (5, 275800), (7, 197000), (8, 172375), (10, 137900), (14, 98500), (20, 68950), (25, 55160), (28, 49250), (35, 39400), (40, 34475), (50, 27580), (56, 24625), (70, 19700), (100, 13790), (125, 11032), (140, 9850), (175, 7880), (197, 7000), (200, 6895), (250, 5516), (280, 4925), (350, 3940), (394, 3500), (500, 2758), (700, 1970), (788, 1750), (875, 1576), (985, 1400), (1000, 1379)]