209988650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{79241}}^1$

素因数の和:79306

約数の個数: 24

約数和(自身を含む): 397953324

約数和(自身を除く): 187964674

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 79241, 158482, 396205, 792410, 1981025, 3962050, 4199773, 8399546, 20998865, 41997730, 104994325, 209988650]

約数ペア:

[(1, 209988650), (2, 104994325), (5, 41997730), (10, 20998865), (25, 8399546), (50, 4199773), (53, 3962050), (106, 1981025), (265, 792410), (530, 396205), (1325, 158482), (2650, 79241)]