638090712

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:490

約数の個数: 192

約数和(自身を含む): 2063880000

約数和(自身を除く): 1425789288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 29, 36, 42, 56, 58, 63, 72, 84, 87, 116, 126, 149, 168, 174, 203, 232, 252, 261, 293, 298, 348, 406, 447, 504, 522, 586, 596, 609, 696, 812, 879, 894, 1043, 1044, 1172, 1192, 1218, 1341, 1624, 1758, 1788, 1827, 2051, 2086, 2088, 2344, 2436, 2637, 2682, 3129, 3516, 3576, 3654, 4102, 4172, 4321, 4872, 5274, 5364, 6153, 6258, 7032, 7308, 8204, 8344, 8497, 8642, 9387, 10548, 10728, 12306, 12516, 12963, 14616, 16408, 16994, 17284, 18459, 18774, 21096, 24612, 25032, 25491, 25926, 30247, 33988, 34568, 36918, 37548, 38889, 43657, 49224, 50982, 51852, 59479, 60494, 67976, 73836, 75096, 76473, 77778, 87314, 90741, 101964, 103704, 118958, 120988, 130971, 147672, 152946, 155556, 174628, 178437, 181482, 203928, 237916, 241976, 261942, 272223, 305599, 305892, 311112, 349256, 356874, 362964, 392913, 475832, 523884, 535311, 544446, 611198, 611784, 713748, 725928, 785826, 916797, 1047768, 1070622, 1088892, 1222396, 1266053, 1427496, 1571652, 1833594, 2141244, 2177784, 2444792, 2532106, 2750391, 3143304, 3667188, 3798159, 4282488, 5064212, 5500782, 7334376, 7596318, 8862371, 10128424, 11001564, 11394477, 15192636, 17724742, 22003128, 22788954, 26587113, 30385272, 35449484, 45577908, 53174226, 70898968, 79761339, 91155816, 106348452, 159522678, 212696904, 319045356, 638090712]

約数ペア:

[(1, 638090712), (2, 319045356), (3, 212696904), (4, 159522678), (6, 106348452), (7, 91155816), (8, 79761339), (9, 70898968), (12, 53174226), (14, 45577908), (18, 35449484), (21, 30385272), (24, 26587113), (28, 22788954), (29, 22003128), (36, 17724742), (42, 15192636), (56, 11394477), (58, 11001564), (63, 10128424), (72, 8862371), (84, 7596318), (87, 7334376), (116, 5500782), (126, 5064212), (149, 4282488), (168, 3798159), (174, 3667188), (203, 3143304), (232, 2750391), (252, 2532106), (261, 2444792), (293, 2177784), (298, 2141244), (348, 1833594), (406, 1571652), (447, 1427496), (504, 1266053), (522, 1222396), (586, 1088892), (596, 1070622), (609, 1047768), (696, 916797), (812, 785826), (879, 725928), (894, 713748), (1043, 611784), (1044, 611198), (1172, 544446), (1192, 535311), (1218, 523884), (1341, 475832), (1624, 392913), (1758, 362964), (1788, 356874), (1827, 349256), (2051, 311112), (2086, 305892), (2088, 305599), (2344, 272223), (2436, 261942), (2637, 241976), (2682, 237916), (3129, 203928), (3516, 181482), (3576, 178437), (3654, 174628), (4102, 155556), (4172, 152946), (4321, 147672), (4872, 130971), (5274, 120988), (5364, 118958), (6153, 103704), (6258, 101964), (7032, 90741), (7308, 87314), (8204, 77778), (8344, 76473), (8497, 75096), (8642, 73836), (9387, 67976), (10548, 60494), (10728, 59479), (12306, 51852), (12516, 50982), (12963, 49224), (14616, 43657), (16408, 38889), (16994, 37548), (17284, 36918), (18459, 34568), (18774, 33988), (21096, 30247), (24612, 25926), (25032, 25491)]