280272784

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{2039}}^1$

素因数の和:2140

約数の個数: 60

約数和(自身を含む): 605586240

約数和(自身を除く): 325313456

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 121, 142, 176, 242, 284, 484, 568, 781, 968, 1136, 1562, 1936, 2039, 3124, 4078, 6248, 8156, 8591, 12496, 16312, 17182, 22429, 32624, 34364, 44858, 68728, 89716, 137456, 144769, 179432, 246719, 289538, 358864, 493438, 579076, 986876, 1158152, 1592459, 1973752, 2316304, 3184918, 3947504, 6369836, 12739672, 17517049, 25479344, 35034098, 70068196, 140136392, 280272784]

約数ペア:

[(1, 280272784), (2, 140136392), (4, 70068196), (8, 35034098), (11, 25479344), (16, 17517049), (22, 12739672), (44, 6369836), (71, 3947504), (88, 3184918), (121, 2316304), (142, 1973752), (176, 1592459), (242, 1158152), (284, 986876), (484, 579076), (568, 493438), (781, 358864), (968, 289538), (1136, 246719), (1562, 179432), (1936, 144769), (2039, 137456), (3124, 89716), (4078, 68728), (6248, 44858), (8156, 34364), (8591, 32624), (12496, 22429), (16312, 17182)]