389185120

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1447}}^1$

素因数の和:1544

約数の個数: 72

約数和(自身を含む): 943073712

約数和(自身を除く): 553888592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1447, 1640, 1681, 2894, 3280, 3362, 5788, 6560, 6724, 7235, 8405, 11576, 13448, 14470, 16810, 23152, 26896, 28940, 33620, 46304, 53792, 57880, 59327, 67240, 115760, 118654, 134480, 231520, 237308, 268960, 296635, 474616, 593270, 949232, 1186540, 1898464, 2373080, 2432407, 4746160, 4864814, 9492320, 9729628, 12162035, 19459256, 24324070, 38918512, 48648140, 77837024, 97296280, 194592560, 389185120]

約数ペア:

[(1, 389185120), (2, 194592560), (4, 97296280), (5, 77837024), (8, 48648140), (10, 38918512), (16, 24324070), (20, 19459256), (32, 12162035), (40, 9729628), (41, 9492320), (80, 4864814), (82, 4746160), (160, 2432407), (164, 2373080), (205, 1898464), (328, 1186540), (410, 949232), (656, 593270), (820, 474616), (1312, 296635), (1447, 268960), (1640, 237308), (1681, 231520), (2894, 134480), (3280, 118654), (3362, 115760), (5788, 67240), (6560, 59327), (6724, 57880), (7235, 53792), (8405, 46304), (11576, 33620), (13448, 28940), (14470, 26896), (16810, 23152)]