7828180

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2857}}^1$

素因数の和:3003

約数の個数: 24

約数和(自身を含む): 16564968

約数和(自身を除く): 8736788

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 2857, 5714, 11428, 14285, 28570, 57140, 391409, 782818, 1565636, 1957045, 3914090, 7828180]

約数ペア:

[(1, 7828180), (2, 3914090), (4, 1957045), (5, 1565636), (10, 782818), (20, 391409), (137, 57140), (274, 28570), (548, 14285), (685, 11428), (1370, 5714), (2740, 2857)]