1276782760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2901779}}^1$

素因数の和:2901801

約数の個数: 32

約数和(自身を含む): 3133922400

約数和(自身を除く): 1857139640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2901779, 5803558, 11607116, 14508895, 23214232, 29017790, 31919569, 58035580, 63839138, 116071160, 127678276, 159597845, 255356552, 319195690, 638391380, 1276782760]

約数ペア:

[(1, 1276782760), (2, 638391380), (4, 319195690), (5, 255356552), (8, 159597845), (10, 127678276), (11, 116071160), (20, 63839138), (22, 58035580), (40, 31919569), (44, 29017790), (55, 23214232), (88, 14508895), (110, 11607116), (220, 5803558), (440, 2901779)]