199774520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{454033}}^1$

素因数の和:454055

約数の個数: 32

約数和(自身を含む): 490356720

約数和(自身を除く): 290582200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 454033, 908066, 1816132, 2270165, 3632264, 4540330, 4994363, 9080660, 9988726, 18161320, 19977452, 24971815, 39954904, 49943630, 99887260, 199774520]

約数ペア:

[(1, 199774520), (2, 99887260), (4, 49943630), (5, 39954904), (8, 24971815), (10, 19977452), (11, 18161320), (20, 9988726), (22, 9080660), (40, 4994363), (44, 4540330), (55, 3632264), (88, 2270165), (110, 1816132), (220, 908066), (440, 454033)]