77904980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{105277}}^1$

素因数の和:105323

約数の個数: 24

約数和(自身を含む): 168023688

約数和(自身を除く): 90118708

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 105277, 210554, 421108, 526385, 1052770, 2105540, 3895249, 7790498, 15580996, 19476245, 38952490, 77904980]

約数ペア:

[(1, 77904980), (2, 38952490), (4, 19476245), (5, 15580996), (10, 7790498), (20, 3895249), (37, 2105540), (74, 1052770), (148, 526385), (185, 421108), (370, 210554), (740, 105277)]