27784960

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{443}}^1$

素因数の和:478

約数の個数: 108

約数和(自身を含む): 77594328

約数和(自身を除く): 49809368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 443, 448, 490, 560, 640, 784, 886, 896, 980, 1120, 1280, 1568, 1772, 1792, 1960, 2215, 2240, 3101, 3136, 3544, 3920, 4430, 4480, 6202, 6272, 7088, 7840, 8860, 8960, 12404, 12544, 14176, 15505, 15680, 17720, 21707, 24808, 28352, 31010, 31360, 35440, 43414, 49616, 56704, 62020, 62720, 70880, 86828, 99232, 108535, 113408, 124040, 141760, 173656, 198464, 217070, 248080, 283520, 347312, 396928, 434140, 496160, 567040, 694624, 793856, 868280, 992320, 1389248, 1736560, 1984640, 2778496, 3473120, 3969280, 5556992, 6946240, 13892480, 27784960]

約数ペア:

[(1, 27784960), (2, 13892480), (4, 6946240), (5, 5556992), (7, 3969280), (8, 3473120), (10, 2778496), (14, 1984640), (16, 1736560), (20, 1389248), (28, 992320), (32, 868280), (35, 793856), (40, 694624), (49, 567040), (56, 496160), (64, 434140), (70, 396928), (80, 347312), (98, 283520), (112, 248080), (128, 217070), (140, 198464), (160, 173656), (196, 141760), (224, 124040), (245, 113408), (256, 108535), (280, 99232), (320, 86828), (392, 70880), (443, 62720), (448, 62020), (490, 56704), (560, 49616), (640, 43414), (784, 35440), (886, 31360), (896, 31010), (980, 28352), (1120, 24808), (1280, 21707), (1568, 17720), (1772, 15680), (1792, 15505), (1960, 14176), (2215, 12544), (2240, 12404), (3101, 8960), (3136, 8860), (3544, 7840), (3920, 7088), (4430, 6272), (4480, 6202)]