378740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 824040

約数和(自身を除く): 445300

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 653, 1306, 2612, 3265, 6530, 13060, 18937, 37874, 75748, 94685, 189370, 378740]

約数ペア:

[(1, 378740), (2, 189370), (4, 94685), (5, 75748), (10, 37874), (20, 18937), (29, 13060), (58, 6530), (116, 3265), (145, 2612), (290, 1306), (580, 653)]