2009397940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{85361}}^1$

素因数の和:85488

約数の個数: 48

約数和(自身を含む): 4646424384

約数和(自身を除く): 2637026444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 2140, 2354, 4708, 5885, 11770, 23540, 85361, 170722, 341444, 426805, 853610, 938971, 1707220, 1877942, 3755884, 4694855, 9133627, 9389710, 18267254, 18779420, 36534508, 45668135, 91336270, 100469897, 182672540, 200939794, 401879588, 502349485, 1004698970, 2009397940]

約数ペア:

[(1, 2009397940), (2, 1004698970), (4, 502349485), (5, 401879588), (10, 200939794), (11, 182672540), (20, 100469897), (22, 91336270), (44, 45668135), (55, 36534508), (107, 18779420), (110, 18267254), (214, 9389710), (220, 9133627), (428, 4694855), (535, 3755884), (1070, 1877942), (1177, 1707220), (2140, 938971), (2354, 853610), (4708, 426805), (5885, 341444), (11770, 170722), (23540, 85361)]