13030900

素因数分解:

$2^2\times 5^2\times {\mathrm{311}}^1\times {\mathrm{419}}^1$

素因数の和:744

約数の個数: 36

約数和(自身を含む): 28435680

約数和(自身を除く): 15404780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 311, 419, 622, 838, 1244, 1555, 1676, 2095, 3110, 4190, 6220, 7775, 8380, 10475, 15550, 20950, 31100, 41900, 130309, 260618, 521236, 651545, 1303090, 2606180, 3257725, 6515450, 13030900]

約数ペア:

[(1, 13030900), (2, 6515450), (4, 3257725), (5, 2606180), (10, 1303090), (20, 651545), (25, 521236), (50, 260618), (100, 130309), (311, 41900), (419, 31100), (622, 20950), (838, 15550), (1244, 10475), (1555, 8380), (1676, 7775), (2095, 6220), (3110, 4190)]