427000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{61}}^1$

素因数の和:89

約数の個数: 64

約数和(自身を含む): 1160640

約数和(自身を除く): 733640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 61, 70, 100, 122, 125, 140, 175, 200, 244, 250, 280, 305, 350, 427, 488, 500, 610, 700, 854, 875, 1000, 1220, 1400, 1525, 1708, 1750, 2135, 2440, 3050, 3416, 3500, 4270, 6100, 7000, 7625, 8540, 10675, 12200, 15250, 17080, 21350, 30500, 42700, 53375, 61000, 85400, 106750, 213500, 427000]

約数ペア:

[(1, 427000), (2, 213500), (4, 106750), (5, 85400), (7, 61000), (8, 53375), (10, 42700), (14, 30500), (20, 21350), (25, 17080), (28, 15250), (35, 12200), (40, 10675), (50, 8540), (56, 7625), (61, 7000), (70, 6100), (100, 4270), (122, 3500), (125, 3416), (140, 3050), (175, 2440), (200, 2135), (244, 1750), (250, 1708), (280, 1525), (305, 1400), (350, 1220), (427, 1000), (488, 875), (500, 854), (610, 700)]