231330280

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^2\times {\mathrm{337}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 526053060

約数和(自身を除く): 294722780

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 337, 524, 655, 674, 1048, 1310, 1348, 1685, 2620, 2696, 3370, 5240, 6740, 13480, 17161, 34322, 44147, 68644, 85805, 88294, 137288, 171610, 176588, 220735, 343220, 353176, 441470, 686440, 882940, 1765880, 5783257, 11566514, 23133028, 28916285, 46266056, 57832570, 115665140, 231330280]

約数ペア:

[(1, 231330280), (2, 115665140), (4, 57832570), (5, 46266056), (8, 28916285), (10, 23133028), (20, 11566514), (40, 5783257), (131, 1765880), (262, 882940), (337, 686440), (524, 441470), (655, 353176), (674, 343220), (1048, 220735), (1310, 176588), (1348, 171610), (1685, 137288), (2620, 88294), (2696, 85805), (3370, 68644), (5240, 44147), (6740, 34322), (13480, 17161)]