169491500

素因数分解:

$2^2\times 5^3\times {\mathrm{257}}^1\times {\mathrm{1319}}^1$

素因数の和:1595

約数の個数: 48

約数和(自身を含む): 371891520

約数和(自身を除く): 202400020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 257, 500, 514, 1028, 1285, 1319, 2570, 2638, 5140, 5276, 6425, 6595, 12850, 13190, 25700, 26380, 32125, 32975, 64250, 65950, 128500, 131900, 164875, 329750, 338983, 659500, 677966, 1355932, 1694915, 3389830, 6779660, 8474575, 16949150, 33898300, 42372875, 84745750, 169491500]

約数ペア:

[(1, 169491500), (2, 84745750), (4, 42372875), (5, 33898300), (10, 16949150), (20, 8474575), (25, 6779660), (50, 3389830), (100, 1694915), (125, 1355932), (250, 677966), (257, 659500), (500, 338983), (514, 329750), (1028, 164875), (1285, 131900), (1319, 128500), (2570, 65950), (2638, 64250), (5140, 32975), (5276, 32125), (6425, 26380), (6595, 25700), (12850, 13190)]