1272264400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{289151}}^1$

素因数の和:289180

約数の個数: 60

約数和(自身を含む): 3334500864

約数和(自身を除く): 2062236464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 289151, 578302, 1156604, 1445755, 2313208, 2891510, 3180661, 4626416, 5783020, 6361322, 7228775, 11566040, 12722644, 14457550, 15903305, 23132080, 25445288, 28915100, 31806610, 50890576, 57830200, 63613220, 79516525, 115660400, 127226440, 159033050, 254452880, 318066100, 636132200, 1272264400]

約数ペア:

[(1, 1272264400), (2, 636132200), (4, 318066100), (5, 254452880), (8, 159033050), (10, 127226440), (11, 115660400), (16, 79516525), (20, 63613220), (22, 57830200), (25, 50890576), (40, 31806610), (44, 28915100), (50, 25445288), (55, 23132080), (80, 15903305), (88, 14457550), (100, 12722644), (110, 11566040), (176, 7228775), (200, 6361322), (220, 5783020), (275, 4626416), (400, 3180661), (440, 2891510), (550, 2313208), (880, 1445755), (1100, 1156604), (2200, 578302), (4400, 289151)]