27898900

素因数分解:

$2^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1777}}^1$

素因数の和:1948

約数の個数: 36

約数和(自身を含む): 60960508

約数和(自身を除く): 33061608

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 314, 628, 785, 1570, 1777, 3140, 3554, 3925, 7108, 7850, 8885, 15700, 17770, 35540, 44425, 88850, 177700, 278989, 557978, 1115956, 1394945, 2789890, 5579780, 6974725, 13949450, 27898900]

約数ペア:

[(1, 27898900), (2, 13949450), (4, 6974725), (5, 5579780), (10, 2789890), (20, 1394945), (25, 1115956), (50, 557978), (100, 278989), (157, 177700), (314, 88850), (628, 44425), (785, 35540), (1570, 17770), (1777, 15700), (3140, 8885), (3554, 7850), (3925, 7108)]