1022818900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^2\times {\mathrm{2029}}^1$

素因数の和:2185

約数の個数: 54

約数和(自身を含む): 2252327630

約数和(自身を除く): 1229508730

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 2029, 3550, 4058, 5041, 7100, 8116, 10082, 10145, 20164, 20290, 25205, 40580, 50410, 50725, 100820, 101450, 126025, 144059, 202900, 252050, 288118, 504100, 576236, 720295, 1440590, 2881180, 3601475, 7202950, 10228189, 14405900, 20456378, 40912756, 51140945, 102281890, 204563780, 255704725, 511409450, 1022818900]

約数ペア:

[(1, 1022818900), (2, 511409450), (4, 255704725), (5, 204563780), (10, 102281890), (20, 51140945), (25, 40912756), (50, 20456378), (71, 14405900), (100, 10228189), (142, 7202950), (284, 3601475), (355, 2881180), (710, 1440590), (1420, 720295), (1775, 576236), (2029, 504100), (3550, 288118), (4058, 252050), (5041, 202900), (7100, 144059), (8116, 126025), (10082, 101450), (10145, 100820), (20164, 50725), (20290, 50410), (25205, 40580)]