194904040

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 447068160

約数和(自身を除く): 252164120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 191, 194, 263, 382, 388, 485, 526, 764, 776, 955, 970, 1052, 1315, 1528, 1910, 1940, 2104, 2630, 3820, 3880, 5260, 7640, 10520, 18527, 25511, 37054, 50233, 51022, 74108, 92635, 100466, 102044, 127555, 148216, 185270, 200932, 204088, 251165, 255110, 370540, 401864, 502330, 510220, 741080, 1004660, 1020440, 2009320, 4872601, 9745202, 19490404, 24363005, 38980808, 48726010, 97452020, 194904040]

約数ペア:

[(1, 194904040), (2, 97452020), (4, 48726010), (5, 38980808), (8, 24363005), (10, 19490404), (20, 9745202), (40, 4872601), (97, 2009320), (191, 1020440), (194, 1004660), (263, 741080), (382, 510220), (388, 502330), (485, 401864), (526, 370540), (764, 255110), (776, 251165), (955, 204088), (970, 200932), (1052, 185270), (1315, 148216), (1528, 127555), (1910, 102044), (1940, 100466), (2104, 92635), (2630, 74108), (3820, 51022), (3880, 50233), (5260, 37054), (7640, 25511), (10520, 18527)]