147280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{263}}^1$

素因数の和:283

約数の個数: 40

約数和(自身を含む): 392832

約数和(自身を除く): 245552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 263, 280, 526, 560, 1052, 1315, 1841, 2104, 2630, 3682, 4208, 5260, 7364, 9205, 10520, 14728, 18410, 21040, 29456, 36820, 73640, 147280]

約数ペア:

[(1, 147280), (2, 73640), (4, 36820), (5, 29456), (7, 21040), (8, 18410), (10, 14728), (14, 10520), (16, 9205), (20, 7364), (28, 5260), (35, 4208), (40, 3682), (56, 2630), (70, 2104), (80, 1841), (112, 1315), (140, 1052), (263, 560), (280, 526)]