289556988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 848800512

約数和(自身を除く): 559243524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 31, 34, 42, 51, 62, 68, 84, 93, 102, 119, 124, 186, 204, 211, 217, 238, 357, 372, 422, 434, 476, 527, 633, 651, 714, 844, 868, 961, 1054, 1266, 1302, 1428, 1477, 1581, 1922, 2108, 2532, 2604, 2883, 2954, 3162, 3587, 3689, 3844, 4431, 5766, 5908, 6324, 6541, 6727, 7174, 7378, 8862, 10761, 11067, 11532, 13082, 13454, 14348, 14756, 16337, 17724, 19623, 20181, 21522, 22134, 25109, 26164, 26908, 32674, 39246, 40362, 43044, 44268, 45787, 49011, 50218, 65348, 75327, 78492, 80724, 91574, 98022, 100436, 111197, 114359, 137361, 150654, 183148, 196044, 202771, 222394, 228718, 274722, 301308, 333591, 343077, 405542, 444788, 457436, 549444, 608313, 667182, 686154, 778379, 811084, 1216626, 1334364, 1372308, 1419397, 1556758, 2335137, 2433252, 2838794, 3113516, 3447107, 4258191, 4670274, 5677588, 6894214, 8516382, 9340548, 10341321, 13788428, 17032764, 20682642, 24129749, 41365284, 48259498, 72389247, 96518996, 144778494, 289556988]

約数ペア:

[(1, 289556988), (2, 144778494), (3, 96518996), (4, 72389247), (6, 48259498), (7, 41365284), (12, 24129749), (14, 20682642), (17, 17032764), (21, 13788428), (28, 10341321), (31, 9340548), (34, 8516382), (42, 6894214), (51, 5677588), (62, 4670274), (68, 4258191), (84, 3447107), (93, 3113516), (102, 2838794), (119, 2433252), (124, 2335137), (186, 1556758), (204, 1419397), (211, 1372308), (217, 1334364), (238, 1216626), (357, 811084), (372, 778379), (422, 686154), (434, 667182), (476, 608313), (527, 549444), (633, 457436), (651, 444788), (714, 405542), (844, 343077), (868, 333591), (961, 301308), (1054, 274722), (1266, 228718), (1302, 222394), (1428, 202771), (1477, 196044), (1581, 183148), (1922, 150654), (2108, 137361), (2532, 114359), (2604, 111197), (2883, 100436), (2954, 98022), (3162, 91574), (3587, 80724), (3689, 78492), (3844, 75327), (4431, 65348), (5766, 50218), (5908, 49011), (6324, 45787), (6541, 44268), (6727, 43044), (7174, 40362), (7378, 39246), (8862, 32674), (10761, 26908), (11067, 26164), (11532, 25109), (13082, 22134), (13454, 21522), (14348, 20181), (14756, 19623), (16337, 17724)]