208754480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1571}}^1$

素因数の和:1746

約数の個数: 80

約数和(自身を含む): 533323008

約数和(自身を除く): 324568528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 151, 176, 220, 302, 440, 604, 755, 880, 1208, 1510, 1571, 1661, 2416, 3020, 3142, 3322, 6040, 6284, 6644, 7855, 8305, 12080, 12568, 13288, 15710, 16610, 17281, 25136, 26576, 31420, 33220, 34562, 62840, 66440, 69124, 86405, 125680, 132880, 138248, 172810, 237221, 276496, 345620, 474442, 691240, 948884, 1186105, 1382480, 1897768, 2372210, 2609431, 3795536, 4744420, 5218862, 9488840, 10437724, 13047155, 18977680, 20875448, 26094310, 41750896, 52188620, 104377240, 208754480]

約数ペア:

[(1, 208754480), (2, 104377240), (4, 52188620), (5, 41750896), (8, 26094310), (10, 20875448), (11, 18977680), (16, 13047155), (20, 10437724), (22, 9488840), (40, 5218862), (44, 4744420), (55, 3795536), (80, 2609431), (88, 2372210), (110, 1897768), (151, 1382480), (176, 1186105), (220, 948884), (302, 691240), (440, 474442), (604, 345620), (755, 276496), (880, 237221), (1208, 172810), (1510, 138248), (1571, 132880), (1661, 125680), (2416, 86405), (3020, 69124), (3142, 66440), (3322, 62840), (6040, 34562), (6284, 33220), (6644, 31420), (7855, 26576), (8305, 25136), (12080, 17281), (12568, 16610), (13288, 15710)]