38339840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:428

約数の個数: 144

約数和(自身を含む): 114791040

約数和(自身を除く): 76451200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 389, 440, 448, 560, 616, 640, 704, 770, 778, 880, 896, 1120, 1232, 1280, 1408, 1540, 1556, 1760, 1792, 1945, 2240, 2464, 2723, 2816, 3080, 3112, 3520, 3890, 4279, 4480, 4928, 5446, 6160, 6224, 7040, 7780, 8558, 8960, 9856, 10892, 12320, 12448, 13615, 14080, 15560, 17116, 19712, 21395, 21784, 24640, 24896, 27230, 29953, 31120, 34232, 42790, 43568, 49280, 49792, 54460, 59906, 62240, 68464, 85580, 87136, 98560, 99584, 108920, 119812, 124480, 136928, 149765, 171160, 174272, 217840, 239624, 248960, 273856, 299530, 342320, 348544, 435680, 479248, 497920, 547712, 599060, 684640, 697088, 871360, 958496, 1095424, 1198120, 1369280, 1742720, 1916992, 2396240, 2738560, 3485440, 3833984, 4792480, 5477120, 7667968, 9584960, 19169920, 38339840]

約数ペア:

[(1, 38339840), (2, 19169920), (4, 9584960), (5, 7667968), (7, 5477120), (8, 4792480), (10, 3833984), (11, 3485440), (14, 2738560), (16, 2396240), (20, 1916992), (22, 1742720), (28, 1369280), (32, 1198120), (35, 1095424), (40, 958496), (44, 871360), (55, 697088), (56, 684640), (64, 599060), (70, 547712), (77, 497920), (80, 479248), (88, 435680), (110, 348544), (112, 342320), (128, 299530), (140, 273856), (154, 248960), (160, 239624), (176, 217840), (220, 174272), (224, 171160), (256, 149765), (280, 136928), (308, 124480), (320, 119812), (352, 108920), (385, 99584), (389, 98560), (440, 87136), (448, 85580), (560, 68464), (616, 62240), (640, 59906), (704, 54460), (770, 49792), (778, 49280), (880, 43568), (896, 42790), (1120, 34232), (1232, 31120), (1280, 29953), (1408, 27230), (1540, 24896), (1556, 24640), (1760, 21784), (1792, 21395), (1945, 19712), (2240, 17116), (2464, 15560), (2723, 14080), (2816, 13615), (3080, 12448), (3112, 12320), (3520, 10892), (3890, 9856), (4279, 8960), (4480, 8558), (4928, 7780), (5446, 7040), (6160, 6224)]