277908020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1068877}}^1$

素因数の和:1068899

約数の個数: 24

約数和(自身を含む): 628500264

約数和(自身を除く): 350592244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1068877, 2137754, 4275508, 5344385, 10688770, 13895401, 21377540, 27790802, 55581604, 69477005, 138954010, 277908020]

約数ペア:

[(1, 277908020), (2, 138954010), (4, 69477005), (5, 55581604), (10, 27790802), (13, 21377540), (20, 13895401), (26, 10688770), (52, 5344385), (65, 4275508), (130, 2137754), (260, 1068877)]