201990760

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{28211}}^1$

素因数の和:28401

約数の個数: 32

約数和(自身を含む): 457034400

約数和(自身を除く): 255043640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 28211, 56422, 112844, 141055, 225688, 282110, 564220, 1128440, 5049769, 10099538, 20199076, 25248845, 40398152, 50497690, 100995380, 201990760]

約数ペア:

[(1, 201990760), (2, 100995380), (4, 50497690), (5, 40398152), (8, 25248845), (10, 20199076), (20, 10099538), (40, 5049769), (179, 1128440), (358, 564220), (716, 282110), (895, 225688), (1432, 141055), (1790, 112844), (3580, 56422), (7160, 28211)]