291381948

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 240

約数和(自身を含む): 944845440

約数和(自身を除く): 653463492

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 19, 22, 26, 27, 33, 36, 38, 39, 44, 52, 54, 57, 66, 76, 78, 81, 99, 108, 114, 117, 132, 143, 156, 162, 171, 198, 209, 228, 234, 247, 286, 297, 324, 331, 342, 351, 396, 418, 429, 468, 494, 513, 572, 594, 627, 662, 684, 702, 741, 836, 858, 891, 988, 993, 1026, 1053, 1188, 1254, 1287, 1324, 1404, 1482, 1539, 1716, 1782, 1881, 1986, 2052, 2106, 2223, 2508, 2574, 2717, 2964, 2979, 3078, 3564, 3641, 3762, 3861, 3972, 4212, 4303, 4446, 5148, 5434, 5643, 5958, 6156, 6289, 6669, 7282, 7524, 7722, 8151, 8606, 8892, 8937, 10868, 10923, 11286, 11583, 11916, 12578, 12909, 13338, 14564, 15444, 16302, 16929, 17212, 17874, 18867, 20007, 21846, 22572, 23166, 24453, 25156, 25818, 26676, 26811, 32604, 32769, 33858, 35748, 37734, 38727, 40014, 43692, 46332, 47333, 48906, 51636, 53622, 56601, 65538, 67716, 69179, 73359, 75468, 77454, 80028, 81757, 94666, 97812, 98307, 107244, 113202, 116181, 131076, 138358, 141999, 146718, 154908, 163514, 169803, 189332, 196614, 207537, 220077, 226404, 232362, 245271, 276716, 283998, 293436, 294921, 327028, 339606, 348543, 393228, 415074, 425997, 440154, 464724, 490542, 509409, 567996, 589842, 622611, 679212, 697086, 735813, 830148, 851994, 880308, 899327, 981084, 1018818, 1179684, 1245222, 1277991, 1394172, 1471626, 1703988, 1798654, 1867833, 2037636, 2207439, 2490444, 2555982, 2697981, 2943252, 3597308, 3735666, 3833973, 4414878, 5111964, 5395962, 5603499, 6622317, 7471332, 7667946, 8093943, 8829756, 10791924, 11206998, 13244634, 15335892, 16187886, 22413996, 24281829, 26489268, 32375772, 48563658, 72845487, 97127316, 145690974, 291381948]

約数ペア:

[(1, 291381948), (2, 145690974), (3, 97127316), (4, 72845487), (6, 48563658), (9, 32375772), (11, 26489268), (12, 24281829), (13, 22413996), (18, 16187886), (19, 15335892), (22, 13244634), (26, 11206998), (27, 10791924), (33, 8829756), (36, 8093943), (38, 7667946), (39, 7471332), (44, 6622317), (52, 5603499), (54, 5395962), (57, 5111964), (66, 4414878), (76, 3833973), (78, 3735666), (81, 3597308), (99, 2943252), (108, 2697981), (114, 2555982), (117, 2490444), (132, 2207439), (143, 2037636), (156, 1867833), (162, 1798654), (171, 1703988), (198, 1471626), (209, 1394172), (228, 1277991), (234, 1245222), (247, 1179684), (286, 1018818), (297, 981084), (324, 899327), (331, 880308), (342, 851994), (351, 830148), (396, 735813), (418, 697086), (429, 679212), (468, 622611), (494, 589842), (513, 567996), (572, 509409), (594, 490542), (627, 464724), (662, 440154), (684, 425997), (702, 415074), (741, 393228), (836, 348543), (858, 339606), (891, 327028), (988, 294921), (993, 293436), (1026, 283998), (1053, 276716), (1188, 245271), (1254, 232362), (1287, 226404), (1324, 220077), (1404, 207537), (1482, 196614), (1539, 189332), (1716, 169803), (1782, 163514), (1881, 154908), (1986, 146718), (2052, 141999), (2106, 138358), (2223, 131076), (2508, 116181), (2574, 113202), (2717, 107244), (2964, 98307), (2979, 97812), (3078, 94666), (3564, 81757), (3641, 80028), (3762, 77454), (3861, 75468), (3972, 73359), (4212, 69179), (4303, 67716), (4446, 65538), (5148, 56601), (5434, 53622), (5643, 51636), (5958, 48906), (6156, 47333), (6289, 46332), (6669, 43692), (7282, 40014), (7524, 38727), (7722, 37734), (8151, 35748), (8606, 33858), (8892, 32769), (8937, 32604), (10868, 26811), (10923, 26676), (11286, 25818), (11583, 25156), (11916, 24453), (12578, 23166), (12909, 22572), (13338, 21846), (14564, 20007), (15444, 18867), (16302, 17874), (16929, 17212)]