1244667020

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{221471}}^1$

素因数の和:221761

約数の個数: 24

約数和(自身を含む): 2623114368

約数和(自身を除く): 1378447348

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 221471, 442942, 885884, 1107355, 2214710, 4429420, 62233351, 124466702, 248933404, 311166755, 622333510, 1244667020]

約数ペア:

[(1, 1244667020), (2, 622333510), (4, 311166755), (5, 248933404), (10, 124466702), (20, 62233351), (281, 4429420), (562, 2214710), (1124, 1107355), (1405, 885884), (2810, 442942), (5620, 221471)]