84213400

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3863}}^1$

素因数の和:3988

約数の個数: 48

約数和(自身を含む): 197643600

約数和(自身を除く): 113430200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 436, 545, 872, 1090, 2180, 2725, 3863, 4360, 5450, 7726, 10900, 15452, 19315, 21800, 30904, 38630, 77260, 96575, 154520, 193150, 386300, 421067, 772600, 842134, 1684268, 2105335, 3368536, 4210670, 8421340, 10526675, 16842680, 21053350, 42106700, 84213400]

約数ペア:

[(1, 84213400), (2, 42106700), (4, 21053350), (5, 16842680), (8, 10526675), (10, 8421340), (20, 4210670), (25, 3368536), (40, 2105335), (50, 1684268), (100, 842134), (109, 772600), (200, 421067), (218, 386300), (436, 193150), (545, 154520), (872, 96575), (1090, 77260), (2180, 38630), (2725, 30904), (3863, 21800), (4360, 19315), (5450, 15452), (7726, 10900)]