251145648

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:376

約数の個数: 240

約数和(自身を含む): 834113280

約数和(自身を除く): 582967632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 23, 24, 26, 36, 38, 39, 46, 48, 52, 57, 69, 72, 76, 78, 92, 104, 114, 117, 138, 144, 152, 156, 171, 184, 207, 208, 228, 234, 247, 276, 299, 304, 307, 312, 342, 368, 414, 437, 456, 468, 494, 552, 598, 614, 624, 684, 741, 828, 874, 897, 912, 921, 936, 988, 1104, 1196, 1228, 1311, 1368, 1482, 1656, 1748, 1794, 1842, 1872, 1976, 2223, 2392, 2456, 2622, 2691, 2736, 2763, 2964, 3312, 3496, 3588, 3684, 3933, 3952, 3991, 4446, 4784, 4912, 5244, 5382, 5526, 5681, 5833, 5928, 6992, 7061, 7176, 7368, 7866, 7982, 8892, 10488, 10764, 11052, 11362, 11666, 11856, 11973, 14122, 14352, 14736, 15732, 15964, 17043, 17499, 17784, 20976, 21183, 21528, 22104, 22724, 23332, 23946, 28244, 31464, 31928, 34086, 34998, 35568, 35919, 42366, 43056, 44208, 45448, 46664, 47892, 51129, 52497, 56488, 62928, 63549, 63856, 68172, 69996, 71838, 75829, 84732, 90896, 91793, 93328, 95784, 102258, 104994, 112976, 127098, 134159, 136344, 139992, 143676, 151658, 169464, 183586, 191568, 204516, 209988, 227487, 254196, 268318, 272688, 275379, 279984, 287352, 303316, 338928, 367172, 402477, 409032, 419976, 454974, 508392, 536636, 550758, 574704, 606632, 682461, 734344, 804954, 818064, 826137, 839952, 909948, 1016784, 1073272, 1101516, 1207431, 1213264, 1364922, 1468688, 1609908, 1652274, 1744067, 1819896, 2146544, 2203032, 2414862, 2729844, 3219816, 3304548, 3488134, 3639792, 4406064, 4829724, 5232201, 5459688, 6439632, 6609096, 6976268, 9659448, 10464402, 10919376, 13218192, 13952536, 15696603, 19318896, 20928804, 27905072, 31393206, 41857608, 62786412, 83715216, 125572824, 251145648]

約数ペア:

[(1, 251145648), (2, 125572824), (3, 83715216), (4, 62786412), (6, 41857608), (8, 31393206), (9, 27905072), (12, 20928804), (13, 19318896), (16, 15696603), (18, 13952536), (19, 13218192), (23, 10919376), (24, 10464402), (26, 9659448), (36, 6976268), (38, 6609096), (39, 6439632), (46, 5459688), (48, 5232201), (52, 4829724), (57, 4406064), (69, 3639792), (72, 3488134), (76, 3304548), (78, 3219816), (92, 2729844), (104, 2414862), (114, 2203032), (117, 2146544), (138, 1819896), (144, 1744067), (152, 1652274), (156, 1609908), (171, 1468688), (184, 1364922), (207, 1213264), (208, 1207431), (228, 1101516), (234, 1073272), (247, 1016784), (276, 909948), (299, 839952), (304, 826137), (307, 818064), (312, 804954), (342, 734344), (368, 682461), (414, 606632), (437, 574704), (456, 550758), (468, 536636), (494, 508392), (552, 454974), (598, 419976), (614, 409032), (624, 402477), (684, 367172), (741, 338928), (828, 303316), (874, 287352), (897, 279984), (912, 275379), (921, 272688), (936, 268318), (988, 254196), (1104, 227487), (1196, 209988), (1228, 204516), (1311, 191568), (1368, 183586), (1482, 169464), (1656, 151658), (1748, 143676), (1794, 139992), (1842, 136344), (1872, 134159), (1976, 127098), (2223, 112976), (2392, 104994), (2456, 102258), (2622, 95784), (2691, 93328), (2736, 91793), (2763, 90896), (2964, 84732), (3312, 75829), (3496, 71838), (3588, 69996), (3684, 68172), (3933, 63856), (3952, 63549), (3991, 62928), (4446, 56488), (4784, 52497), (4912, 51129), (5244, 47892), (5382, 46664), (5526, 45448), (5681, 44208), (5833, 43056), (5928, 42366), (6992, 35919), (7061, 35568), (7176, 34998), (7368, 34086), (7866, 31928), (7982, 31464), (8892, 28244), (10488, 23946), (10764, 23332), (11052, 22724), (11362, 22104), (11666, 21528), (11856, 21183), (11973, 20976), (14122, 17784), (14352, 17499), (14736, 17043), (15732, 15964)]