229728580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{129061}}^1$

素因数の和:129159

約数の個数: 24

約数和(自身を含む): 487854360

約数和(自身を除く): 258125780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 129061, 258122, 516244, 645305, 1290610, 2581220, 11486429, 22972858, 45945716, 57432145, 114864290, 229728580]

約数ペア:

[(1, 229728580), (2, 114864290), (4, 57432145), (5, 45945716), (10, 22972858), (20, 11486429), (89, 2581220), (178, 1290610), (356, 645305), (445, 516244), (890, 258122), (1780, 129061)]