557987990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1138751}}^1$

素因数の和:1138772

約数の個数: 24

約数和(自身を含む): 1168359552

約数和(自身を除く): 610371562

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1138751, 2277502, 5693755, 7971257, 11387510, 15942514, 39856285, 55798799, 79712570, 111597598, 278993995, 557987990]

約数ペア:

[(1, 557987990), (2, 278993995), (5, 111597598), (7, 79712570), (10, 55798799), (14, 39856285), (35, 15942514), (49, 11387510), (70, 7971257), (98, 5693755), (245, 2277502), (490, 1138751)]