208725340

素因数分解:

$2^2\times 5^1\times {\mathrm{1933}}^1\times {\mathrm{5399}}^1$

素因数の和:7341

約数の個数: 24

約数和(自身を含む): 438631200

約数和(自身を除く): 229905860

約数列:

[1, 2, 4, 5, 10, 20, 1933, 3866, 5399, 7732, 9665, 10798, 19330, 21596, 26995, 38660, 53990, 107980, 10436267, 20872534, 41745068, 52181335, 104362670, 208725340]

約数ペア:

[(1, 208725340), (2, 104362670), (4, 52181335), (5, 41745068), (10, 20872534), (20, 10436267), (1933, 107980), (3866, 53990), (5399, 38660), (7732, 26995), (9665, 21596), (10798, 19330)]