280769140

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{39769}}^1$

素因数の和:40131

約数の個数: 24

約数和(自身を含む): 591300360

約数和(自身を除く): 310531220

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 39769, 79538, 159076, 198845, 397690, 795380, 14038457, 28076914, 56153828, 70192285, 140384570, 280769140]

約数ペア:

[(1, 280769140), (2, 140384570), (4, 70192285), (5, 56153828), (10, 28076914), (20, 14038457), (353, 795380), (706, 397690), (1412, 198845), (1765, 159076), (3530, 79538), (7060, 39769)]