27779290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 36087590

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 43, 55, 70, 77, 86, 110, 154, 215, 301, 385, 430, 473, 602, 770, 839, 946, 1505, 1678, 2365, 3010, 3311, 4195, 4730, 5873, 6622, 8390, 9229, 11746, 16555, 18458, 29365, 33110, 36077, 46145, 58730, 64603, 72154, 92290, 129206, 180385, 252539, 323015, 360770, 396847, 505078, 646030, 793694, 1262695, 1984235, 2525390, 2777929, 3968470, 5555858, 13889645, 27779290]

約数ペア:

[(1, 27779290), (2, 13889645), (5, 5555858), (7, 3968470), (10, 2777929), (11, 2525390), (14, 1984235), (22, 1262695), (35, 793694), (43, 646030), (55, 505078), (70, 396847), (77, 360770), (86, 323015), (110, 252539), (154, 180385), (215, 129206), (301, 92290), (385, 72154), (430, 64603), (473, 58730), (602, 46145), (770, 36077), (839, 33110), (946, 29365), (1505, 18458), (1678, 16555), (2365, 11746), (3010, 9229), (3311, 8390), (4195, 6622), (4730, 5873)]