131406440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{298651}}^1$

素因数の和:298673

約数の個数: 32

約数和(自身を含む): 322544160

約数和(自身を除く): 191137720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 298651, 597302, 1194604, 1493255, 2389208, 2986510, 3285161, 5973020, 6570322, 11946040, 13140644, 16425805, 26281288, 32851610, 65703220, 131406440]

約数ペア:

[(1, 131406440), (2, 65703220), (4, 32851610), (5, 26281288), (8, 16425805), (10, 13140644), (11, 11946040), (20, 6570322), (22, 5973020), (40, 3285161), (44, 2986510), (55, 2389208), (88, 1493255), (110, 1194604), (220, 597302), (440, 298651)]