443738020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1009}}^1\times {\mathrm{1999}}^1$

素因数の和:3028

約数の個数: 48

約数和(自身を含む): 1018080000

約数和(自身を除く): 574341980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1009, 1999, 2018, 3998, 4036, 5045, 7996, 9995, 10090, 11099, 19990, 20180, 21989, 22198, 39980, 43978, 44396, 55495, 87956, 109945, 110990, 219890, 221980, 439780, 2016991, 4033982, 8067964, 10084955, 20169910, 22186901, 40339820, 44373802, 88747604, 110934505, 221869010, 443738020]

約数ペア:

[(1, 443738020), (2, 221869010), (4, 110934505), (5, 88747604), (10, 44373802), (11, 40339820), (20, 22186901), (22, 20169910), (44, 10084955), (55, 8067964), (110, 4033982), (220, 2016991), (1009, 439780), (1999, 221980), (2018, 219890), (3998, 110990), (4036, 109945), (5045, 87956), (7996, 55495), (9995, 44396), (10090, 43978), (11099, 39980), (19990, 22198), (20180, 21989)]