85406440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{305023}}^1$

素因数の和:305041

約数の個数: 32

約数和(自身を含む): 219617280

約数和(自身を除く): 134210840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 305023, 610046, 1220092, 1525115, 2135161, 2440184, 3050230, 4270322, 6100460, 8540644, 10675805, 12200920, 17081288, 21351610, 42703220, 85406440]

約数ペア:

[(1, 85406440), (2, 42703220), (4, 21351610), (5, 17081288), (7, 12200920), (8, 10675805), (10, 8540644), (14, 6100460), (20, 4270322), (28, 3050230), (35, 2440184), (40, 2135161), (56, 1525115), (70, 1220092), (140, 610046), (280, 305023)]