210317780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{198413}}^1$

素因数の和:198475

約数の個数: 24

約数和(自身を含む): 450002952

約数和(自身を除く): 239685172

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 198413, 396826, 793652, 992065, 1984130, 3968260, 10515889, 21031778, 42063556, 52579445, 105158890, 210317780]

約数ペア:

[(1, 210317780), (2, 105158890), (4, 52579445), (5, 42063556), (10, 21031778), (20, 10515889), (53, 3968260), (106, 1984130), (212, 992065), (265, 793652), (530, 396826), (1060, 198413)]