245655488420

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{43710941}}^1$

素因数の和:43711231

約数の個数: 24

約数和(自身を含む): 517712397048

約数和(自身を除く): 272056908628

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 43710941, 87421882, 174843764, 218554705, 437109410, 874218820, 12282774421, 24565548842, 49131097684, 61413872105, 122827744210, 245655488420]

約数ペア:

[(1, 245655488420), (2, 122827744210), (4, 61413872105), (5, 49131097684), (10, 24565548842), (20, 12282774421), (281, 874218820), (562, 437109410), (1124, 218554705), (1405, 174843764), (2810, 87421882), (5620, 43710941)]