158885720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{567449}}^1$

素因数の和:567467

約数の個数: 32

約数和(自身を含む): 408564000

約数和(自身を除く): 249678280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 567449, 1134898, 2269796, 2837245, 3972143, 4539592, 5674490, 7944286, 11348980, 15888572, 19860715, 22697960, 31777144, 39721430, 79442860, 158885720]

約数ペア:

[(1, 158885720), (2, 79442860), (4, 39721430), (5, 31777144), (7, 22697960), (8, 19860715), (10, 15888572), (14, 11348980), (20, 7944286), (28, 5674490), (35, 4539592), (40, 3972143), (56, 2837245), (70, 2269796), (140, 1134898), (280, 567449)]