394240

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{11}}^1$

素因数の和:43

約数の個数: 88

約数和(自身を含む): 1179072

約数和(自身を除く): 784832

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, 440, 448, 512, 560, 616, 640, 704, 770, 880, 896, 1024, 1120, 1232, 1280, 1408, 1540, 1760, 1792, 2240, 2464, 2560, 2816, 3080, 3520, 3584, 4480, 4928, 5120, 5632, 6160, 7040, 7168, 8960, 9856, 11264, 12320, 14080, 17920, 19712, 24640, 28160, 35840, 39424, 49280, 56320, 78848, 98560, 197120, 394240]

約数ペア:

[(1, 394240), (2, 197120), (4, 98560), (5, 78848), (7, 56320), (8, 49280), (10, 39424), (11, 35840), (14, 28160), (16, 24640), (20, 19712), (22, 17920), (28, 14080), (32, 12320), (35, 11264), (40, 9856), (44, 8960), (55, 7168), (56, 7040), (64, 6160), (70, 5632), (77, 5120), (80, 4928), (88, 4480), (110, 3584), (112, 3520), (128, 3080), (140, 2816), (154, 2560), (160, 2464), (176, 2240), (220, 1792), (224, 1760), (256, 1540), (280, 1408), (308, 1280), (320, 1232), (352, 1120), (385, 1024), (440, 896), (448, 880), (512, 770), (560, 704), (616, 640)]