313561640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1119863}}^1$

素因数の和:1119881

約数の個数: 32

約数和(自身を含む): 806302080

約数和(自身を除く): 492740440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1119863, 2239726, 4479452, 5599315, 7839041, 8958904, 11198630, 15678082, 22397260, 31356164, 39195205, 44794520, 62712328, 78390410, 156780820, 313561640]

約数ペア:

[(1, 313561640), (2, 156780820), (4, 78390410), (5, 62712328), (7, 44794520), (8, 39195205), (10, 31356164), (14, 22397260), (20, 15678082), (28, 11198630), (35, 8958904), (40, 7839041), (56, 5599315), (70, 4479452), (140, 2239726), (280, 1119863)]