1899493456

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{2371}}^1$

素因数の和:2720

約数の個数: 80

約数和(自身を含む): 4404860928

約数和(自身を除く): 2505367472

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 311, 322, 368, 622, 644, 1244, 1288, 2177, 2371, 2488, 2576, 4354, 4742, 4976, 7153, 8708, 9484, 14306, 16597, 17416, 18968, 28612, 33194, 34832, 37936, 50071, 54533, 57224, 66388, 100142, 109066, 114448, 132776, 200284, 218132, 265552, 381731, 400568, 436264, 737381, 763462, 801136, 872528, 1474762, 1526924, 2949524, 3053848, 5161667, 5899048, 6107696, 10323334, 11798096, 16959763, 20646668, 33919526, 41293336, 67839052, 82586672, 118718341, 135678104, 237436682, 271356208, 474873364, 949746728, 1899493456]

約数ペア:

[(1, 1899493456), (2, 949746728), (4, 474873364), (7, 271356208), (8, 237436682), (14, 135678104), (16, 118718341), (23, 82586672), (28, 67839052), (46, 41293336), (56, 33919526), (92, 20646668), (112, 16959763), (161, 11798096), (184, 10323334), (311, 6107696), (322, 5899048), (368, 5161667), (622, 3053848), (644, 2949524), (1244, 1526924), (1288, 1474762), (2177, 872528), (2371, 801136), (2488, 763462), (2576, 737381), (4354, 436264), (4742, 400568), (4976, 381731), (7153, 265552), (8708, 218132), (9484, 200284), (14306, 132776), (16597, 114448), (17416, 109066), (18968, 100142), (28612, 66388), (33194, 57224), (34832, 54533), (37936, 50071)]