331337240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{4651}}^1$

素因数の和:4812

約数の個数: 64

約数和(自身を含む): 808889760

約数和(自身を除く): 477552520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 520, 548, 685, 1096, 1370, 1781, 2740, 3562, 4651, 5480, 7124, 8905, 9302, 14248, 17810, 18604, 23255, 35620, 37208, 46510, 60463, 71240, 93020, 120926, 186040, 241852, 302315, 483704, 604630, 637187, 1209260, 1274374, 2418520, 2548748, 3185935, 5097496, 6371870, 8283431, 12743740, 16566862, 25487480, 33133724, 41417155, 66267448, 82834310, 165668620, 331337240]

約数ペア:

[(1, 331337240), (2, 165668620), (4, 82834310), (5, 66267448), (8, 41417155), (10, 33133724), (13, 25487480), (20, 16566862), (26, 12743740), (40, 8283431), (52, 6371870), (65, 5097496), (104, 3185935), (130, 2548748), (137, 2418520), (260, 1274374), (274, 1209260), (520, 637187), (548, 604630), (685, 483704), (1096, 302315), (1370, 241852), (1781, 186040), (2740, 120926), (3562, 93020), (4651, 71240), (5480, 60463), (7124, 46510), (8905, 37208), (9302, 35620), (14248, 23255), (17810, 18604)]