203426840

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{14407}}^1$

素因数の和:14771

約数の個数: 32

約数和(自身を含む): 459038880

約数和(自身を除く): 255612040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 14120, 14407, 28814, 57628, 72035, 115256, 144070, 288140, 576280, 5085671, 10171342, 20342684, 25428355, 40685368, 50856710, 101713420, 203426840]

約数ペア:

[(1, 203426840), (2, 101713420), (4, 50856710), (5, 40685368), (8, 25428355), (10, 20342684), (20, 10171342), (40, 5085671), (353, 576280), (706, 288140), (1412, 144070), (1765, 115256), (2824, 72035), (3530, 57628), (7060, 28814), (14120, 14407)]