280971924

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{20887}}^1$

素因数の和:20972

約数の個数: 48

約数和(自身を含む): 701836800

約数和(自身を除く): 420864876

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 59, 76, 114, 118, 177, 228, 236, 354, 708, 1121, 2242, 3363, 4484, 6726, 13452, 20887, 41774, 62661, 83548, 125322, 250644, 396853, 793706, 1190559, 1232333, 1587412, 2381118, 2464666, 3696999, 4762236, 4929332, 7393998, 14787996, 23414327, 46828654, 70242981, 93657308, 140485962, 280971924]

約数ペア:

[(1, 280971924), (2, 140485962), (3, 93657308), (4, 70242981), (6, 46828654), (12, 23414327), (19, 14787996), (38, 7393998), (57, 4929332), (59, 4762236), (76, 3696999), (114, 2464666), (118, 2381118), (177, 1587412), (228, 1232333), (236, 1190559), (354, 793706), (708, 396853), (1121, 250644), (2242, 125322), (3363, 83548), (4484, 62661), (6726, 41774), (13452, 20887)]