2100040900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{344269}}^1$

素因数の和:344344

約数の個数: 36

約数和(自身を含む): 4631808580

約数和(自身を除く): 2531767680

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 344269, 688538, 1377076, 1721345, 3442690, 6885380, 8606725, 17213450, 21000409, 34426900, 42000818, 84001636, 105002045, 210004090, 420008180, 525010225, 1050020450, 2100040900]

約数ペア:

[(1, 2100040900), (2, 1050020450), (4, 525010225), (5, 420008180), (10, 210004090), (20, 105002045), (25, 84001636), (50, 42000818), (61, 34426900), (100, 21000409), (122, 17213450), (244, 8606725), (305, 6885380), (610, 3442690), (1220, 1721345), (1525, 1377076), (3050, 688538), (6100, 344269)]