538285825

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{929}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 867667680

約数和(自身を除く): 329381855

約数列:

[1, 5, 7, 11, 25, 35, 43, 49, 55, 77, 175, 215, 245, 275, 301, 385, 473, 539, 929, 1075, 1225, 1505, 1925, 2107, 2365, 2695, 3311, 4645, 6503, 7525, 10219, 10535, 11825, 13475, 16555, 23177, 23225, 32515, 39947, 45521, 51095, 52675, 71533, 82775, 115885, 162575, 199735, 227605, 255475, 279629, 357665, 439417, 500731, 579425, 998675, 1138025, 1398145, 1788325, 1957403, 2197085, 2503655, 3075919, 6990725, 9787015, 10985425, 12518275, 15379595, 21531433, 48935075, 76897975, 107657165, 538285825]

約数ペア:

[(1, 538285825), (5, 107657165), (7, 76897975), (11, 48935075), (25, 21531433), (35, 15379595), (43, 12518275), (49, 10985425), (55, 9787015), (77, 6990725), (175, 3075919), (215, 2503655), (245, 2197085), (275, 1957403), (301, 1788325), (385, 1398145), (473, 1138025), (539, 998675), (929, 579425), (1075, 500731), (1225, 439417), (1505, 357665), (1925, 279629), (2107, 255475), (2365, 227605), (2695, 199735), (3311, 162575), (4645, 115885), (6503, 82775), (7525, 71533), (10219, 52675), (10535, 51095), (11825, 45521), (13475, 39947), (16555, 32515), (23177, 23225)]