130126780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{25121}}^1$

素因数の和:25174

約数の個数: 48

約数和(自身を含む): 320757696

約数和(自身を除く): 190630916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 25121, 50242, 100484, 125605, 175847, 251210, 351694, 502420, 703388, 879235, 929477, 1758470, 1858954, 3516940, 3717908, 4647385, 6506339, 9294770, 13012678, 18589540, 26025356, 32531695, 65063390, 130126780]

約数ペア:

[(1, 130126780), (2, 65063390), (4, 32531695), (5, 26025356), (7, 18589540), (10, 13012678), (14, 9294770), (20, 6506339), (28, 4647385), (35, 3717908), (37, 3516940), (70, 1858954), (74, 1758470), (140, 929477), (148, 879235), (185, 703388), (259, 502420), (370, 351694), (518, 251210), (740, 175847), (1036, 125605), (1295, 100484), (2590, 50242), (5180, 25121)]