447156980

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1\times {\mathrm{397}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 949468800

約数和(自身を除く): 502311820

約数列:

[1, 2, 4, 5, 10, 20, 199, 283, 397, 398, 566, 794, 796, 995, 1132, 1415, 1588, 1985, 1990, 2830, 3970, 3980, 5660, 7940, 56317, 79003, 112351, 112634, 158006, 224702, 225268, 281585, 316012, 395015, 449404, 561755, 563170, 790030, 1123510, 1126340, 1580060, 2247020, 22357849, 44715698, 89431396, 111789245, 223578490, 447156980]

約数ペア:

[(1, 447156980), (2, 223578490), (4, 111789245), (5, 89431396), (10, 44715698), (20, 22357849), (199, 2247020), (283, 1580060), (397, 1126340), (398, 1123510), (566, 790030), (794, 563170), (796, 561755), (995, 449404), (1132, 395015), (1415, 316012), (1588, 281585), (1985, 225268), (1990, 224702), (2830, 158006), (3970, 112634), (3980, 112351), (5660, 79003), (7940, 56317)]