90428450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2903}}^1$

素因数の和:3011

約数の個数: 48

約数和(自身を含む): 194451840

約数和(自身を除く): 104023390

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 89, 175, 178, 350, 445, 623, 890, 1246, 2225, 2903, 3115, 4450, 5806, 6230, 14515, 15575, 20321, 29030, 31150, 40642, 72575, 101605, 145150, 203210, 258367, 508025, 516734, 1016050, 1291835, 1808569, 2583670, 3617138, 6459175, 9042845, 12918350, 18085690, 45214225, 90428450]

約数ペア:

[(1, 90428450), (2, 45214225), (5, 18085690), (7, 12918350), (10, 9042845), (14, 6459175), (25, 3617138), (35, 2583670), (50, 1808569), (70, 1291835), (89, 1016050), (175, 516734), (178, 508025), (350, 258367), (445, 203210), (623, 145150), (890, 101605), (1246, 72575), (2225, 40642), (2903, 31150), (3115, 29030), (4450, 20321), (5806, 15575), (6230, 14515)]