399123072

素因数分解:

$2^7\times 3^3\times {\mathrm{53}}^1\times {\mathrm{2179}}^1$

素因数の和:2255

約数の個数: 128

約数和(自身を含む): 1200744000

約数和(自身を除く): 801620928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 64, 72, 96, 106, 108, 128, 144, 159, 192, 212, 216, 288, 318, 384, 424, 432, 477, 576, 636, 848, 864, 954, 1152, 1272, 1431, 1696, 1728, 1908, 2179, 2544, 2862, 3392, 3456, 3816, 4358, 5088, 5724, 6537, 6784, 7632, 8716, 10176, 11448, 13074, 15264, 17432, 19611, 20352, 22896, 26148, 30528, 34864, 39222, 45792, 52296, 58833, 61056, 69728, 78444, 91584, 104592, 115487, 117666, 139456, 156888, 183168, 209184, 230974, 235332, 278912, 313776, 346461, 418368, 461948, 470664, 627552, 692922, 836736, 923896, 941328, 1039383, 1255104, 1385844, 1847792, 1882656, 2078766, 2510208, 2771688, 3118149, 3695584, 3765312, 4157532, 5543376, 6236298, 7391168, 7530624, 8315064, 11086752, 12472596, 14782336, 16630128, 22173504, 24945192, 33260256, 44347008, 49890384, 66520512, 99780768, 133041024, 199561536, 399123072]

約数ペア:

[(1, 399123072), (2, 199561536), (3, 133041024), (4, 99780768), (6, 66520512), (8, 49890384), (9, 44347008), (12, 33260256), (16, 24945192), (18, 22173504), (24, 16630128), (27, 14782336), (32, 12472596), (36, 11086752), (48, 8315064), (53, 7530624), (54, 7391168), (64, 6236298), (72, 5543376), (96, 4157532), (106, 3765312), (108, 3695584), (128, 3118149), (144, 2771688), (159, 2510208), (192, 2078766), (212, 1882656), (216, 1847792), (288, 1385844), (318, 1255104), (384, 1039383), (424, 941328), (432, 923896), (477, 836736), (576, 692922), (636, 627552), (848, 470664), (864, 461948), (954, 418368), (1152, 346461), (1272, 313776), (1431, 278912), (1696, 235332), (1728, 230974), (1908, 209184), (2179, 183168), (2544, 156888), (2862, 139456), (3392, 117666), (3456, 115487), (3816, 104592), (4358, 91584), (5088, 78444), (5724, 69728), (6537, 61056), (6784, 58833), (7632, 52296), (8716, 45792), (10176, 39222), (11448, 34864), (13074, 30528), (15264, 26148), (17432, 22896), (19611, 20352)]