126634180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{347}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 271506816

約数和(自身を除く): 144872636

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 257, 284, 347, 355, 514, 694, 710, 1028, 1285, 1388, 1420, 1735, 2570, 3470, 5140, 6940, 18247, 24637, 36494, 49274, 72988, 89179, 91235, 98548, 123185, 178358, 182470, 246370, 356716, 364940, 445895, 492740, 891790, 1783580, 6331709, 12663418, 25326836, 31658545, 63317090, 126634180]

約数ペア:

[(1, 126634180), (2, 63317090), (4, 31658545), (5, 25326836), (10, 12663418), (20, 6331709), (71, 1783580), (142, 891790), (257, 492740), (284, 445895), (347, 364940), (355, 356716), (514, 246370), (694, 182470), (710, 178358), (1028, 123185), (1285, 98548), (1388, 91235), (1420, 89179), (1735, 72988), (2570, 49274), (3470, 36494), (5140, 24637), (6940, 18247)]