4378880

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 11479104

約数和(自身を除く): 7100224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 311, 320, 352, 440, 622, 640, 704, 880, 1244, 1280, 1408, 1555, 1760, 2488, 2816, 3110, 3421, 3520, 4976, 6220, 6842, 7040, 9952, 12440, 13684, 14080, 17105, 19904, 24880, 27368, 34210, 39808, 49760, 54736, 68420, 79616, 99520, 109472, 136840, 199040, 218944, 273680, 398080, 437888, 547360, 875776, 1094720, 2189440, 4378880]

約数ペア:

[(1, 4378880), (2, 2189440), (4, 1094720), (5, 875776), (8, 547360), (10, 437888), (11, 398080), (16, 273680), (20, 218944), (22, 199040), (32, 136840), (40, 109472), (44, 99520), (55, 79616), (64, 68420), (80, 54736), (88, 49760), (110, 39808), (128, 34210), (160, 27368), (176, 24880), (220, 19904), (256, 17105), (311, 14080), (320, 13684), (352, 12440), (440, 9952), (622, 7040), (640, 6842), (704, 6220), (880, 4976), (1244, 3520), (1280, 3421), (1408, 3110), (1555, 2816), (1760, 2488)]