291781180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1\times {\mathrm{1033}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 635785920

約数和(自身を除く): 344004740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 487, 580, 974, 1033, 1948, 2066, 2435, 4132, 4870, 5165, 9740, 10330, 14123, 20660, 28246, 29957, 56492, 59914, 70615, 119828, 141230, 149785, 282460, 299570, 503071, 599140, 1006142, 2012284, 2515355, 5030710, 10061420, 14589059, 29178118, 58356236, 72945295, 145890590, 291781180]

約数ペア:

[(1, 291781180), (2, 145890590), (4, 72945295), (5, 58356236), (10, 29178118), (20, 14589059), (29, 10061420), (58, 5030710), (116, 2515355), (145, 2012284), (290, 1006142), (487, 599140), (580, 503071), (974, 299570), (1033, 282460), (1948, 149785), (2066, 141230), (2435, 119828), (4132, 70615), (4870, 59914), (5165, 56492), (9740, 29957), (10330, 28246), (14123, 20660)]