1291238900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{17909}}^1$

素因数の和:18033

約数の個数: 72

約数和(自身を含む): 3233543040

約数和(自身を除く): 1942304140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 103, 140, 175, 206, 350, 412, 515, 700, 721, 1030, 1442, 2060, 2575, 2884, 3605, 5150, 7210, 10300, 14420, 17909, 18025, 35818, 36050, 71636, 72100, 89545, 125363, 179090, 250726, 358180, 447725, 501452, 626815, 895450, 1253630, 1790900, 1844627, 2507260, 3134075, 3689254, 6268150, 7378508, 9223135, 12536300, 12912389, 18446270, 25824778, 36892540, 46115675, 51649556, 64561945, 92231350, 129123890, 184462700, 258247780, 322809725, 645619450, 1291238900]

約数ペア:

[(1, 1291238900), (2, 645619450), (4, 322809725), (5, 258247780), (7, 184462700), (10, 129123890), (14, 92231350), (20, 64561945), (25, 51649556), (28, 46115675), (35, 36892540), (50, 25824778), (70, 18446270), (100, 12912389), (103, 12536300), (140, 9223135), (175, 7378508), (206, 6268150), (350, 3689254), (412, 3134075), (515, 2507260), (700, 1844627), (721, 1790900), (1030, 1253630), (1442, 895450), (2060, 626815), (2575, 501452), (2884, 447725), (3605, 358180), (5150, 250726), (7210, 179090), (10300, 125363), (14420, 89545), (17909, 72100), (18025, 71636), (35818, 36050)]