290401076

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{146077}}^1$

素因数の和:146159

約数の個数: 24

約数和(自身を含む): 588986496

約数和(自身を除く): 298585420

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 146077, 292154, 584308, 1022539, 2045078, 4090156, 10371467, 20742934, 41485868, 72600269, 145200538, 290401076]

約数ペア:

[(1, 290401076), (2, 145200538), (4, 72600269), (7, 41485868), (14, 20742934), (28, 10371467), (71, 4090156), (142, 2045078), (284, 1022539), (497, 584308), (994, 292154), (1988, 146077)]