306460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 806400

約数和(自身を除く): 499940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 199, 220, 308, 385, 398, 770, 796, 995, 1393, 1540, 1990, 2189, 2786, 3980, 4378, 5572, 6965, 8756, 10945, 13930, 15323, 21890, 27860, 30646, 43780, 61292, 76615, 153230, 306460]

約数ペア:

[(1, 306460), (2, 153230), (4, 76615), (5, 61292), (7, 43780), (10, 30646), (11, 27860), (14, 21890), (20, 15323), (22, 13930), (28, 10945), (35, 8756), (44, 6965), (55, 5572), (70, 4378), (77, 3980), (110, 2786), (140, 2189), (154, 1990), (199, 1540), (220, 1393), (308, 995), (385, 796), (398, 770)]