289194920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1032839}}^1$

素因数の和:1032857

約数の個数: 32

約数和(自身を含む): 743644800

約数和(自身を除く): 454449880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1032839, 2065678, 4131356, 5164195, 7229873, 8262712, 10328390, 14459746, 20656780, 28919492, 36149365, 41313560, 57838984, 72298730, 144597460, 289194920]

約数ペア:

[(1, 289194920), (2, 144597460), (4, 72298730), (5, 57838984), (7, 41313560), (8, 36149365), (10, 28919492), (14, 20656780), (20, 14459746), (28, 10328390), (35, 8262712), (40, 7229873), (56, 5164195), (70, 4131356), (140, 2065678), (280, 1032839)]