3969280

素因数分解:

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

素因数の和:471

約数の個数: 72

約数和(自身を含む): 10890432

約数和(自身を除く): 6921152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 443, 448, 560, 640, 886, 896, 1120, 1280, 1772, 1792, 2215, 2240, 3101, 3544, 4430, 4480, 6202, 7088, 8860, 8960, 12404, 14176, 15505, 17720, 24808, 28352, 31010, 35440, 49616, 56704, 62020, 70880, 99232, 113408, 124040, 141760, 198464, 248080, 283520, 396928, 496160, 567040, 793856, 992320, 1984640, 3969280]

約数ペア:

[(1, 3969280), (2, 1984640), (4, 992320), (5, 793856), (7, 567040), (8, 496160), (10, 396928), (14, 283520), (16, 248080), (20, 198464), (28, 141760), (32, 124040), (35, 113408), (40, 99232), (56, 70880), (64, 62020), (70, 56704), (80, 49616), (112, 35440), (128, 31010), (140, 28352), (160, 24808), (224, 17720), (256, 15505), (280, 14176), (320, 12404), (443, 8960), (448, 8860), (560, 7088), (640, 6202), (886, 4480), (896, 4430), (1120, 3544), (1280, 3101), (1772, 2240), (1792, 2215)]