2136890

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{89}}^1$

素因数の和:124

約数の個数: 40

約数和(自身を含む): 4537620

約数和(自身を除く): 2400730

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 245, 343, 445, 490, 623, 686, 890, 1246, 1715, 2401, 3115, 3430, 4361, 4802, 6230, 8722, 12005, 21805, 24010, 30527, 43610, 61054, 152635, 213689, 305270, 427378, 1068445, 2136890]

約数ペア:

[(1, 2136890), (2, 1068445), (5, 427378), (7, 305270), (10, 213689), (14, 152635), (35, 61054), (49, 43610), (70, 30527), (89, 24010), (98, 21805), (178, 12005), (245, 8722), (343, 6230), (445, 4802), (490, 4361), (623, 3430), (686, 3115), (890, 2401), (1246, 1715)]