209640228

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 600566400

約数和(自身を除く): 390926172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 53, 62, 84, 93, 98, 106, 124, 147, 159, 186, 196, 212, 217, 294, 318, 343, 371, 372, 434, 588, 636, 651, 686, 742, 868, 961, 1029, 1113, 1302, 1372, 1484, 1519, 1643, 1922, 2058, 2226, 2597, 2604, 2883, 3038, 3286, 3844, 4116, 4452, 4557, 4929, 5194, 5766, 6076, 6572, 6727, 7791, 9114, 9858, 10388, 10633, 11501, 11532, 13454, 15582, 18179, 18228, 19716, 20181, 21266, 23002, 26908, 31164, 31899, 34503, 36358, 40362, 42532, 46004, 47089, 50933, 54537, 63798, 69006, 72716, 80507, 80724, 94178, 101866, 109074, 127596, 138012, 141267, 152799, 161014, 188356, 203732, 218148, 241521, 282534, 305598, 322028, 329623, 356531, 483042, 563549, 565068, 611196, 659246, 713062, 966084, 988869, 1069593, 1127098, 1318492, 1426124, 1690647, 1977738, 2139186, 2254196, 2495717, 3381294, 3955476, 4278372, 4991434, 6762588, 7487151, 9982868, 14974302, 17470019, 29948604, 34940038, 52410057, 69880076, 104820114, 209640228]

約数ペア:

[(1, 209640228), (2, 104820114), (3, 69880076), (4, 52410057), (6, 34940038), (7, 29948604), (12, 17470019), (14, 14974302), (21, 9982868), (28, 7487151), (31, 6762588), (42, 4991434), (49, 4278372), (53, 3955476), (62, 3381294), (84, 2495717), (93, 2254196), (98, 2139186), (106, 1977738), (124, 1690647), (147, 1426124), (159, 1318492), (186, 1127098), (196, 1069593), (212, 988869), (217, 966084), (294, 713062), (318, 659246), (343, 611196), (371, 565068), (372, 563549), (434, 483042), (588, 356531), (636, 329623), (651, 322028), (686, 305598), (742, 282534), (868, 241521), (961, 218148), (1029, 203732), (1113, 188356), (1302, 161014), (1372, 152799), (1484, 141267), (1519, 138012), (1643, 127596), (1922, 109074), (2058, 101866), (2226, 94178), (2597, 80724), (2604, 80507), (2883, 72716), (3038, 69006), (3286, 63798), (3844, 54537), (4116, 50933), (4452, 47089), (4557, 46004), (4929, 42532), (5194, 40362), (5766, 36358), (6076, 34503), (6572, 31899), (6727, 31164), (7791, 26908), (9114, 23002), (9858, 21266), (10388, 20181), (10633, 19716), (11501, 18228), (11532, 18179), (13454, 15582)]