199938260

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{188621}}^1$

素因数の和:188683

約数の個数: 24

約数和(自身を含む): 427794696

約数和(自身を除く): 227856436

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 188621, 377242, 754484, 943105, 1886210, 3772420, 9996913, 19993826, 39987652, 49984565, 99969130, 199938260]

約数ペア:

[(1, 199938260), (2, 99969130), (4, 49984565), (5, 39987652), (10, 19993826), (20, 9996913), (53, 3772420), (106, 1886210), (212, 943105), (265, 754484), (530, 377242), (1060, 188621)]