251207892

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 240

約数和(自身を含む): 772192960

約数和(自身を除く): 520985068

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 43, 52, 54, 57, 73, 76, 78, 81, 86, 108, 114, 117, 129, 146, 156, 162, 171, 172, 219, 228, 234, 247, 258, 292, 324, 342, 351, 387, 438, 468, 494, 513, 516, 559, 657, 684, 702, 741, 774, 817, 876, 949, 988, 1026, 1053, 1118, 1161, 1314, 1387, 1404, 1482, 1539, 1548, 1634, 1677, 1898, 1971, 2052, 2106, 2223, 2236, 2322, 2451, 2628, 2774, 2847, 2964, 3078, 3139, 3268, 3354, 3483, 3796, 3942, 4161, 4212, 4446, 4644, 4902, 5031, 5548, 5694, 5913, 6156, 6278, 6669, 6708, 6966, 7353, 7884, 8322, 8541, 8892, 9417, 9804, 10062, 10621, 11388, 11826, 12483, 12556, 13338, 13932, 14706, 15093, 16644, 17082, 18031, 18834, 20007, 20124, 21242, 22059, 23652, 24966, 25623, 26676, 28251, 29412, 30186, 31863, 34164, 36062, 37449, 37668, 40014, 40807, 42484, 44118, 45279, 49932, 51246, 54093, 56502, 59641, 60372, 63726, 66177, 72124, 74898, 76869, 80028, 81614, 84753, 88236, 90558, 95589, 102492, 108186, 112347, 113004, 119282, 122421, 127452, 132354, 149796, 153738, 162279, 163228, 169506, 178923, 181116, 191178, 216372, 224694, 238564, 244842, 254259, 264708, 286767, 307476, 324558, 339012, 357846, 367263, 382356, 449388, 486837, 489684, 508518, 536769, 573534, 649116, 715692, 734526, 775333, 860301, 973674, 1017036, 1073538, 1101789, 1147068, 1460511, 1469052, 1550666, 1610307, 1720602, 1947348, 2147076, 2203578, 2325999, 2921022, 3101332, 3220614, 3305367, 3441204, 4407156, 4651998, 4830921, 5842044, 6441228, 6610734, 6977997, 9303996, 9661842, 13221468, 13955994, 19323684, 20933991, 27911988, 41867982, 62801973, 83735964, 125603946, 251207892]

約数ペア:

[(1, 251207892), (2, 125603946), (3, 83735964), (4, 62801973), (6, 41867982), (9, 27911988), (12, 20933991), (13, 19323684), (18, 13955994), (19, 13221468), (26, 9661842), (27, 9303996), (36, 6977997), (38, 6610734), (39, 6441228), (43, 5842044), (52, 4830921), (54, 4651998), (57, 4407156), (73, 3441204), (76, 3305367), (78, 3220614), (81, 3101332), (86, 2921022), (108, 2325999), (114, 2203578), (117, 2147076), (129, 1947348), (146, 1720602), (156, 1610307), (162, 1550666), (171, 1469052), (172, 1460511), (219, 1147068), (228, 1101789), (234, 1073538), (247, 1017036), (258, 973674), (292, 860301), (324, 775333), (342, 734526), (351, 715692), (387, 649116), (438, 573534), (468, 536769), (494, 508518), (513, 489684), (516, 486837), (559, 449388), (657, 382356), (684, 367263), (702, 357846), (741, 339012), (774, 324558), (817, 307476), (876, 286767), (949, 264708), (988, 254259), (1026, 244842), (1053, 238564), (1118, 224694), (1161, 216372), (1314, 191178), (1387, 181116), (1404, 178923), (1482, 169506), (1539, 163228), (1548, 162279), (1634, 153738), (1677, 149796), (1898, 132354), (1971, 127452), (2052, 122421), (2106, 119282), (2223, 113004), (2236, 112347), (2322, 108186), (2451, 102492), (2628, 95589), (2774, 90558), (2847, 88236), (2964, 84753), (3078, 81614), (3139, 80028), (3268, 76869), (3354, 74898), (3483, 72124), (3796, 66177), (3942, 63726), (4161, 60372), (4212, 59641), (4446, 56502), (4644, 54093), (4902, 51246), (5031, 49932), (5548, 45279), (5694, 44118), (5913, 42484), (6156, 40807), (6278, 40014), (6669, 37668), (6708, 37449), (6966, 36062), (7353, 34164), (7884, 31863), (8322, 30186), (8541, 29412), (8892, 28251), (9417, 26676), (9804, 25623), (10062, 24966), (10621, 23652), (11388, 22059), (11826, 21242), (12483, 20124), (12556, 20007), (13338, 18834), (13932, 18031), (14706, 17082), (15093, 16644)]