2239660

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 4749696

約数和(自身を除く): 2510036

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 991, 1130, 1982, 2260, 3964, 4955, 9910, 19820, 111983, 223966, 447932, 559915, 1119830, 2239660]

約数ペア:

[(1, 2239660), (2, 1119830), (4, 559915), (5, 447932), (10, 223966), (20, 111983), (113, 19820), (226, 9910), (452, 4955), (565, 3964), (991, 2260), (1130, 1982)]