4494500

素因数分解:

$2^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 10024560

約数和(自身を除く): 5530060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 101, 125, 178, 202, 250, 356, 404, 445, 500, 505, 890, 1010, 1780, 2020, 2225, 2525, 4450, 5050, 8900, 8989, 10100, 11125, 12625, 17978, 22250, 25250, 35956, 44500, 44945, 50500, 89890, 179780, 224725, 449450, 898900, 1123625, 2247250, 4494500]

約数ペア:

[(1, 4494500), (2, 2247250), (4, 1123625), (5, 898900), (10, 449450), (20, 224725), (25, 179780), (50, 89890), (89, 50500), (100, 44945), (101, 44500), (125, 35956), (178, 25250), (202, 22250), (250, 17978), (356, 12625), (404, 11125), (445, 10100), (500, 8989), (505, 8900), (890, 5050), (1010, 4450), (1780, 2525), (2020, 2225)]