280975684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1697}}^1$

素因数の和:1836

約数の個数: 48

約数和(自身を含む): 554553216

約数和(自身を除く): 273577532

約数列:

[1, 2, 4, 11, 22, 44, 53, 71, 106, 142, 212, 284, 583, 781, 1166, 1562, 1697, 2332, 3124, 3394, 3763, 6788, 7526, 15052, 18667, 37334, 41393, 74668, 82786, 89941, 120487, 165572, 179882, 240974, 359764, 481948, 989351, 1325357, 1978702, 2650714, 3957404, 5301428, 6385811, 12771622, 25543244, 70243921, 140487842, 280975684]

約数ペア:

[(1, 280975684), (2, 140487842), (4, 70243921), (11, 25543244), (22, 12771622), (44, 6385811), (53, 5301428), (71, 3957404), (106, 2650714), (142, 1978702), (212, 1325357), (284, 989351), (583, 481948), (781, 359764), (1166, 240974), (1562, 179882), (1697, 165572), (2332, 120487), (3124, 89941), (3394, 82786), (3763, 74668), (6788, 41393), (7526, 37334), (15052, 18667)]