90900920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{206593}}^1$

素因数の和:206615

約数の個数: 32

約数和(自身を含む): 223121520

約数和(自身を除く): 132220600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 206593, 413186, 826372, 1032965, 1652744, 2065930, 2272523, 4131860, 4545046, 8263720, 9090092, 11362615, 18180184, 22725230, 45450460, 90900920]

約数ペア:

[(1, 90900920), (2, 45450460), (4, 22725230), (5, 18180184), (8, 11362615), (10, 9090092), (11, 8263720), (20, 4545046), (22, 4131860), (40, 2272523), (44, 2065930), (55, 1652744), (88, 1032965), (110, 826372), (220, 413186), (440, 206593)]