248818880

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3947}}^1$

素因数の和:4161

約数の個数: 56

約数和(自身を含む): 595658448

約数和(自身を除く): 346839568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 788, 985, 1576, 1970, 3152, 3940, 3947, 6304, 7880, 7894, 12608, 15760, 15788, 19735, 31520, 31576, 39470, 63040, 63152, 78940, 126304, 157880, 252608, 315760, 631520, 777559, 1263040, 1555118, 3110236, 3887795, 6220472, 7775590, 12440944, 15551180, 24881888, 31102360, 49763776, 62204720, 124409440, 248818880]

約数ペア:

[(1, 248818880), (2, 124409440), (4, 62204720), (5, 49763776), (8, 31102360), (10, 24881888), (16, 15551180), (20, 12440944), (32, 7775590), (40, 6220472), (64, 3887795), (80, 3110236), (160, 1555118), (197, 1263040), (320, 777559), (394, 631520), (788, 315760), (985, 252608), (1576, 157880), (1970, 126304), (3152, 78940), (3940, 63152), (3947, 63040), (6304, 39470), (7880, 31576), (7894, 31520), (12608, 19735), (15760, 15788)]