407617180

素因数分解:

$2^2\times 5^1\times {\mathrm{5419}}^1\times {\mathrm{3761}}^1$

素因数の和:9189

約数の個数: 24

約数和(自身を含む): 856381680

約数和(自身を除く): 448764500

約数列:

[1, 2, 4, 5, 10, 20, 3761, 5419, 7522, 10838, 15044, 18805, 21676, 27095, 37610, 54190, 75220, 108380, 20380859, 40761718, 81523436, 101904295, 203808590, 407617180]

約数ペア:

[(1, 407617180), (2, 203808590), (4, 101904295), (5, 81523436), (10, 40761718), (20, 20380859), (3761, 108380), (5419, 75220), (7522, 54190), (10838, 37610), (15044, 27095), (18805, 21676)]