908420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 1945944

約数和(自身を除く): 1037524

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 857, 1060, 1714, 3428, 4285, 8570, 17140, 45421, 90842, 181684, 227105, 454210, 908420]

約数ペア:

[(1, 908420), (2, 454210), (4, 227105), (5, 181684), (10, 90842), (20, 45421), (53, 17140), (106, 8570), (212, 4285), (265, 3428), (530, 1714), (857, 1060)]