254200660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 674279424

約数和(自身を除く): 420078764

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 29, 34, 35, 58, 68, 70, 85, 116, 119, 127, 140, 145, 170, 203, 238, 254, 290, 340, 406, 476, 493, 508, 580, 595, 635, 812, 841, 889, 986, 1015, 1190, 1270, 1682, 1778, 1972, 2030, 2159, 2380, 2465, 2540, 3364, 3451, 3556, 3683, 4060, 4205, 4318, 4445, 4930, 5887, 6902, 7366, 8410, 8636, 8890, 9860, 10795, 11774, 13804, 14297, 14732, 15113, 16820, 17255, 17780, 18415, 21590, 23548, 25781, 28594, 29435, 30226, 34510, 36830, 43180, 51562, 57188, 58870, 60452, 62611, 69020, 71485, 73660, 75565, 100079, 103124, 106807, 117740, 125222, 128905, 142970, 151130, 200158, 213614, 250444, 257810, 285940, 302260, 313055, 400316, 427228, 438277, 500395, 515620, 534035, 626110, 747649, 876554, 1000790, 1068070, 1252220, 1495298, 1753108, 1815719, 2001580, 2136140, 2191385, 2990596, 3631438, 3738245, 4382770, 7262876, 7476490, 8765540, 9078595, 12710033, 14952980, 18157190, 25420066, 36314380, 50840132, 63550165, 127100330, 254200660]

約数ペア:

[(1, 254200660), (2, 127100330), (4, 63550165), (5, 50840132), (7, 36314380), (10, 25420066), (14, 18157190), (17, 14952980), (20, 12710033), (28, 9078595), (29, 8765540), (34, 7476490), (35, 7262876), (58, 4382770), (68, 3738245), (70, 3631438), (85, 2990596), (116, 2191385), (119, 2136140), (127, 2001580), (140, 1815719), (145, 1753108), (170, 1495298), (203, 1252220), (238, 1068070), (254, 1000790), (290, 876554), (340, 747649), (406, 626110), (476, 534035), (493, 515620), (508, 500395), (580, 438277), (595, 427228), (635, 400316), (812, 313055), (841, 302260), (889, 285940), (986, 257810), (1015, 250444), (1190, 213614), (1270, 200158), (1682, 151130), (1778, 142970), (1972, 128905), (2030, 125222), (2159, 117740), (2380, 106807), (2465, 103124), (2540, 100079), (3364, 75565), (3451, 73660), (3556, 71485), (3683, 69020), (4060, 62611), (4205, 60452), (4318, 58870), (4445, 57188), (4930, 51562), (5887, 43180), (6902, 36830), (7366, 34510), (8410, 30226), (8636, 29435), (8890, 28594), (9860, 25781), (10795, 23548), (11774, 21590), (13804, 18415), (14297, 17780), (14732, 17255), (15113, 16820)]