190099802020

素因数分解:

$2^2\times 5^1\times {\mathrm{9504990101}}^1$

素因数の和:9504990110

約数の個数: 12

約数和(自身を含む): 399209584284

約数和(自身を除く): 209109782264

約数列:

[1, 2, 4, 5, 10, 20, 9504990101, 19009980202, 38019960404, 47524950505, 95049901010, 190099802020]

約数ペア:

[(1, 190099802020), (2, 95049901010), (4, 47524950505), (5, 38019960404), (10, 19009980202), (20, 9504990101)]