254384388

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:140

約数の個数: 180

約数和(自身を含む): 740142480

約数和(自身を除く): 485758092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 38, 43, 54, 57, 62, 76, 81, 86, 93, 108, 114, 124, 129, 162, 171, 172, 186, 228, 258, 279, 324, 342, 372, 387, 513, 516, 558, 589, 684, 774, 817, 837, 961, 1026, 1116, 1161, 1178, 1333, 1539, 1548, 1634, 1674, 1767, 1922, 2052, 2322, 2356, 2451, 2511, 2666, 2883, 3078, 3268, 3348, 3483, 3534, 3844, 3999, 4644, 4902, 5022, 5301, 5332, 5766, 6156, 6966, 7068, 7353, 7998, 8649, 9804, 10044, 10602, 11532, 11997, 13932, 14706, 15903, 15996, 17298, 18259, 21204, 22059, 23994, 25327, 25947, 29412, 31806, 34596, 35991, 36518, 41323, 44118, 47709, 47988, 50654, 51894, 54777, 63612, 66177, 71982, 73036, 75981, 77841, 82646, 88236, 95418, 101308, 103788, 107973, 109554, 123969, 132354, 143964, 151962, 155682, 164331, 165292, 190836, 215946, 219108, 227943, 247938, 264708, 303924, 311364, 328662, 371907, 431892, 455886, 492993, 495876, 657324, 683829, 743814, 785137, 911772, 985986, 1115721, 1367658, 1478979, 1487628, 1570274, 1971972, 2051487, 2231442, 2355411, 2735316, 2957958, 3140548, 3347163, 4102974, 4462884, 4710822, 5915916, 6694326, 7066233, 8205948, 9421644, 13388652, 14132466, 21198699, 28264932, 42397398, 63596097, 84794796, 127192194, 254384388]

約数ペア:

[(1, 254384388), (2, 127192194), (3, 84794796), (4, 63596097), (6, 42397398), (9, 28264932), (12, 21198699), (18, 14132466), (19, 13388652), (27, 9421644), (31, 8205948), (36, 7066233), (38, 6694326), (43, 5915916), (54, 4710822), (57, 4462884), (62, 4102974), (76, 3347163), (81, 3140548), (86, 2957958), (93, 2735316), (108, 2355411), (114, 2231442), (124, 2051487), (129, 1971972), (162, 1570274), (171, 1487628), (172, 1478979), (186, 1367658), (228, 1115721), (258, 985986), (279, 911772), (324, 785137), (342, 743814), (372, 683829), (387, 657324), (513, 495876), (516, 492993), (558, 455886), (589, 431892), (684, 371907), (774, 328662), (817, 311364), (837, 303924), (961, 264708), (1026, 247938), (1116, 227943), (1161, 219108), (1178, 215946), (1333, 190836), (1539, 165292), (1548, 164331), (1634, 155682), (1674, 151962), (1767, 143964), (1922, 132354), (2052, 123969), (2322, 109554), (2356, 107973), (2451, 103788), (2511, 101308), (2666, 95418), (2883, 88236), (3078, 82646), (3268, 77841), (3348, 75981), (3483, 73036), (3534, 71982), (3844, 66177), (3999, 63612), (4644, 54777), (4902, 51894), (5022, 50654), (5301, 47988), (5332, 47709), (5766, 44118), (6156, 41323), (6966, 36518), (7068, 35991), (7353, 34596), (7998, 31806), (8649, 29412), (9804, 25947), (10044, 25327), (10602, 23994), (11532, 22059), (11997, 21204), (13932, 18259), (14706, 17298), (15903, 15996)]