130891880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{467471}}^1$

素因数の和:467489

約数の個数: 32

約数和(自身を含む): 336579840

約数和(自身を除く): 205687960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 467471, 934942, 1869884, 2337355, 3272297, 3739768, 4674710, 6544594, 9349420, 13089188, 16361485, 18698840, 26178376, 32722970, 65445940, 130891880]

約数ペア:

[(1, 130891880), (2, 65445940), (4, 32722970), (5, 26178376), (7, 18698840), (8, 16361485), (10, 13089188), (14, 9349420), (20, 6544594), (28, 4674710), (35, 3739768), (40, 3272297), (56, 2337355), (70, 1869884), (140, 934942), (280, 467471)]