140560400

素因数分解:

$2^4\times 5^2\times {\mathrm{351401}}^1$

素因数の和:351419

約数の個数: 30

約数和(自身を含む): 337697322

約数和(自身を除く): 197136922

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 351401, 702802, 1405604, 1757005, 2811208, 3514010, 5622416, 7028020, 8785025, 14056040, 17570050, 28112080, 35140100, 70280200, 140560400]

約数ペア:

[(1, 140560400), (2, 70280200), (4, 35140100), (5, 28112080), (8, 17570050), (10, 14056040), (16, 8785025), (20, 7028020), (25, 5622416), (40, 3514010), (50, 2811208), (80, 1757005), (100, 1405604), (200, 702802), (400, 351401)]