58378220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 126033600

約数和(自身を除く): 67655380

約数列:

[1, 2, 4, 5, 10, 20, 61, 109, 122, 218, 244, 305, 436, 439, 545, 610, 878, 1090, 1220, 1756, 2180, 2195, 4390, 6649, 8780, 13298, 26596, 26779, 33245, 47851, 53558, 66490, 95702, 107116, 132980, 133895, 191404, 239255, 267790, 478510, 535580, 957020, 2918911, 5837822, 11675644, 14594555, 29189110, 58378220]

約数ペア:

[(1, 58378220), (2, 29189110), (4, 14594555), (5, 11675644), (10, 5837822), (20, 2918911), (61, 957020), (109, 535580), (122, 478510), (218, 267790), (244, 239255), (305, 191404), (436, 133895), (439, 132980), (545, 107116), (610, 95702), (878, 66490), (1090, 53558), (1220, 47851), (1756, 33245), (2180, 26779), (2195, 26596), (4390, 13298), (6649, 8780)]