1687000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{241}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 4530240

約数和(自身を除く): 2843240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 241, 250, 280, 350, 482, 500, 700, 875, 964, 1000, 1205, 1400, 1687, 1750, 1928, 2410, 3374, 3500, 4820, 6025, 6748, 7000, 8435, 9640, 12050, 13496, 16870, 24100, 30125, 33740, 42175, 48200, 60250, 67480, 84350, 120500, 168700, 210875, 241000, 337400, 421750, 843500, 1687000]

約数ペア:

[(1, 1687000), (2, 843500), (4, 421750), (5, 337400), (7, 241000), (8, 210875), (10, 168700), (14, 120500), (20, 84350), (25, 67480), (28, 60250), (35, 48200), (40, 42175), (50, 33740), (56, 30125), (70, 24100), (100, 16870), (125, 13496), (140, 12050), (175, 9640), (200, 8435), (241, 7000), (250, 6748), (280, 6025), (350, 4820), (482, 3500), (500, 3374), (700, 2410), (875, 1928), (964, 1750), (1000, 1687), (1205, 1400)]