127245490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{647}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 233466624

約数和(自身を除く): 106221134

約数列:

[1, 2, 5, 10, 71, 142, 277, 355, 554, 647, 710, 1294, 1385, 2770, 3235, 6470, 19667, 39334, 45937, 91874, 98335, 179219, 196670, 229685, 358438, 459370, 896095, 1792190, 12724549, 25449098, 63622745, 127245490]

約数ペア:

[(1, 127245490), (2, 63622745), (5, 25449098), (10, 12724549), (71, 1792190), (142, 896095), (277, 459370), (355, 358438), (554, 229685), (647, 196670), (710, 179219), (1294, 98335), (1385, 91874), (2770, 45937), (3235, 39334), (6470, 19667)]