276438890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43397}}^1$

素因数の和:43431

約数の個数: 48

約数和(自身を含む): 623368872

約数和(自身を除く): 346929982

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 43397, 86794, 216985, 303779, 433970, 564161, 607558, 1128322, 1518895, 2126453, 2820805, 3037790, 3949127, 4252906, 5641610, 7898254, 10632265, 19745635, 21264530, 27643889, 39491270, 55287778, 138219445, 276438890]

約数ペア:

[(1, 276438890), (2, 138219445), (5, 55287778), (7, 39491270), (10, 27643889), (13, 21264530), (14, 19745635), (26, 10632265), (35, 7898254), (49, 5641610), (65, 4252906), (70, 3949127), (91, 3037790), (98, 2820805), (130, 2126453), (182, 1518895), (245, 1128322), (455, 607558), (490, 564161), (637, 433970), (910, 303779), (1274, 216985), (3185, 86794), (6370, 43397)]