388369720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{422141}}^1$

素因数の和:422175

約数の個数: 32

約数和(自身を含む): 911826720

約数和(自身を除く): 523457000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 422141, 844282, 1688564, 2110705, 3377128, 4221410, 8442820, 9709243, 16885640, 19418486, 38836972, 48546215, 77673944, 97092430, 194184860, 388369720]

約数ペア:

[(1, 388369720), (2, 194184860), (4, 97092430), (5, 77673944), (8, 48546215), (10, 38836972), (20, 19418486), (23, 16885640), (40, 9709243), (46, 8442820), (92, 4221410), (115, 3377128), (184, 2110705), (230, 1688564), (460, 844282), (920, 422141)]