5245660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 12761280

約数和(自身を除く): 7515620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 421, 445, 623, 842, 890, 1246, 1684, 1780, 2105, 2492, 2947, 3115, 4210, 5894, 6230, 8420, 11788, 12460, 14735, 29470, 37469, 58940, 74938, 149876, 187345, 262283, 374690, 524566, 749380, 1049132, 1311415, 2622830, 5245660]

約数ペア:

[(1, 5245660), (2, 2622830), (4, 1311415), (5, 1049132), (7, 749380), (10, 524566), (14, 374690), (20, 262283), (28, 187345), (35, 149876), (70, 74938), (89, 58940), (140, 37469), (178, 29470), (356, 14735), (421, 12460), (445, 11788), (623, 8420), (842, 6230), (890, 5894), (1246, 4210), (1684, 3115), (1780, 2947), (2105, 2492)]