254790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 702000

約数和(自身を除く): 447210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 149, 171, 190, 285, 298, 342, 447, 570, 745, 855, 894, 1341, 1490, 1710, 2235, 2682, 2831, 4470, 5662, 6705, 8493, 13410, 14155, 16986, 25479, 28310, 42465, 50958, 84930, 127395, 254790]

約数ペア:

[(1, 254790), (2, 127395), (3, 84930), (5, 50958), (6, 42465), (9, 28310), (10, 25479), (15, 16986), (18, 14155), (19, 13410), (30, 8493), (38, 6705), (45, 5662), (57, 4470), (90, 2831), (95, 2682), (114, 2235), (149, 1710), (171, 1490), (190, 1341), (285, 894), (298, 855), (342, 745), (447, 570)]