399745248

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{619}}^1$

素因数の和:701

約数の個数: 144

約数和(自身を含む): 1241170560

約数和(自身を除く): 841425312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 84, 93, 96, 112, 124, 168, 186, 217, 224, 248, 336, 372, 434, 496, 619, 651, 672, 744, 868, 961, 992, 1238, 1302, 1488, 1736, 1857, 1922, 2476, 2604, 2883, 2976, 3472, 3714, 3844, 4333, 4952, 5208, 5766, 6727, 6944, 7428, 7688, 8666, 9904, 10416, 11532, 12999, 13454, 14856, 15376, 17332, 19189, 19808, 20181, 20832, 23064, 25998, 26908, 29712, 30752, 34664, 38378, 40362, 46128, 51996, 53816, 57567, 59424, 69328, 76756, 80724, 92256, 103992, 107632, 115134, 134323, 138656, 153512, 161448, 207984, 215264, 230268, 268646, 307024, 322896, 402969, 415968, 460536, 537292, 594859, 614048, 645792, 805938, 921072, 1074584, 1189718, 1611876, 1784577, 1842144, 2149168, 2379436, 3223752, 3569154, 4164013, 4298336, 4758872, 6447504, 7138308, 8328026, 9517744, 12492039, 12895008, 14276616, 16656052, 19035488, 24984078, 28553232, 33312104, 49968156, 57106464, 66624208, 99936312, 133248416, 199872624, 399745248]

約数ペア:

[(1, 399745248), (2, 199872624), (3, 133248416), (4, 99936312), (6, 66624208), (7, 57106464), (8, 49968156), (12, 33312104), (14, 28553232), (16, 24984078), (21, 19035488), (24, 16656052), (28, 14276616), (31, 12895008), (32, 12492039), (42, 9517744), (48, 8328026), (56, 7138308), (62, 6447504), (84, 4758872), (93, 4298336), (96, 4164013), (112, 3569154), (124, 3223752), (168, 2379436), (186, 2149168), (217, 1842144), (224, 1784577), (248, 1611876), (336, 1189718), (372, 1074584), (434, 921072), (496, 805938), (619, 645792), (651, 614048), (672, 594859), (744, 537292), (868, 460536), (961, 415968), (992, 402969), (1238, 322896), (1302, 307024), (1488, 268646), (1736, 230268), (1857, 215264), (1922, 207984), (2476, 161448), (2604, 153512), (2883, 138656), (2976, 134323), (3472, 115134), (3714, 107632), (3844, 103992), (4333, 92256), (4952, 80724), (5208, 76756), (5766, 69328), (6727, 59424), (6944, 57567), (7428, 53816), (7688, 51996), (8666, 46128), (9904, 40362), (10416, 38378), (11532, 34664), (12999, 30752), (13454, 29712), (14856, 26908), (15376, 25998), (17332, 23064), (19189, 20832), (19808, 20181)]