253382020

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{28859}}^1$

素因数の和:29307

約数の個数: 24

約数和(自身を含む): 533332800

約数和(自身を除く): 279950780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 28859, 57718, 115436, 144295, 288590, 577180, 12669101, 25338202, 50676404, 63345505, 126691010, 253382020]

約数ペア:

[(1, 253382020), (2, 126691010), (4, 63345505), (5, 50676404), (10, 25338202), (20, 12669101), (439, 577180), (878, 288590), (1756, 144295), (2195, 115436), (4390, 57718), (8780, 28859)]