287757130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{27749}}^1$

素因数の和:27834

約数の個数: 32

約数和(自身を含む): 557442000

約数和(自身を除く): 269684870

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 2074, 5185, 10370, 27749, 55498, 138745, 277490, 471733, 943466, 1692689, 2358665, 3385378, 4717330, 8463445, 16926890, 28775713, 57551426, 143878565, 287757130]

約数ペア:

[(1, 287757130), (2, 143878565), (5, 57551426), (10, 28775713), (17, 16926890), (34, 8463445), (61, 4717330), (85, 3385378), (122, 2358665), (170, 1692689), (305, 943466), (610, 471733), (1037, 277490), (2074, 138745), (5185, 55498), (10370, 27749)]