129702550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{439}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 255340800

約数和(自身を除く): 125638250

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 311, 439, 475, 622, 878, 950, 1555, 2195, 3110, 4390, 5909, 7775, 8341, 10975, 11818, 15550, 16682, 21950, 29545, 41705, 59090, 83410, 136529, 147725, 208525, 273058, 295450, 417050, 682645, 1365290, 2594051, 3413225, 5188102, 6826450, 12970255, 25940510, 64851275, 129702550]

約数ペア:

[(1, 129702550), (2, 64851275), (5, 25940510), (10, 12970255), (19, 6826450), (25, 5188102), (38, 3413225), (50, 2594051), (95, 1365290), (190, 682645), (311, 417050), (439, 295450), (475, 273058), (622, 208525), (878, 147725), (950, 136529), (1555, 83410), (2195, 59090), (3110, 41705), (4390, 29545), (5909, 21950), (7775, 16682), (8341, 15550), (10975, 11818)]