617460920

素因数分解:

$2^3\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{12479}}^1$

素因数の和:13727

約数の個数: 32

約数和(自身を含む): 1390521600

約数和(自身を除く): 773060680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1237, 2474, 4948, 6185, 9896, 12370, 12479, 24740, 24958, 49480, 49916, 62395, 99832, 124790, 249580, 499160, 15436523, 30873046, 61746092, 77182615, 123492184, 154365230, 308730460, 617460920]

約数ペア:

[(1, 617460920), (2, 308730460), (4, 154365230), (5, 123492184), (8, 77182615), (10, 61746092), (20, 30873046), (40, 15436523), (1237, 499160), (2474, 249580), (4948, 124790), (6185, 99832), (9896, 62395), (12370, 49916), (12479, 49480), (24740, 24958)]