131384120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{469229}}^1$

素因数の和:469247

約数の個数: 32

約数和(自身を含む): 337845600

約数和(自身を除く): 206461480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 469229, 938458, 1876916, 2346145, 3284603, 3753832, 4692290, 6569206, 9384580, 13138412, 16423015, 18769160, 26276824, 32846030, 65692060, 131384120]

約数ペア:

[(1, 131384120), (2, 65692060), (4, 32846030), (5, 26276824), (7, 18769160), (8, 16423015), (10, 13138412), (14, 9384580), (20, 6569206), (28, 4692290), (35, 3753832), (40, 3284603), (56, 2346145), (70, 1876916), (140, 938458), (280, 469229)]