2140780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3691}}^1$

素因数の和:3729

約数の個数: 24

約数和(自身を含む): 4651920

約数和(自身を除く): 2511140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 3691, 7382, 14764, 18455, 36910, 73820, 107039, 214078, 428156, 535195, 1070390, 2140780]

約数ペア:

[(1, 2140780), (2, 1070390), (4, 535195), (5, 428156), (10, 214078), (20, 107039), (29, 73820), (58, 36910), (116, 18455), (145, 14764), (290, 7382), (580, 3691)]