129188920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1051}}^1$

素因数の和:1508

約数の個数: 64

約数和(自身を含む): 333273600

約数和(自身を除く): 204084680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 878, 1051, 1756, 2102, 2195, 3073, 3512, 4204, 4390, 5255, 6146, 7357, 8408, 8780, 10510, 12292, 14714, 15365, 17560, 21020, 24584, 29428, 30730, 36785, 42040, 58856, 61460, 73570, 122920, 147140, 294280, 461389, 922778, 1845556, 2306945, 3229723, 3691112, 4613890, 6459446, 9227780, 12918892, 16148615, 18455560, 25837784, 32297230, 64594460, 129188920]

約数ペア:

[(1, 129188920), (2, 64594460), (4, 32297230), (5, 25837784), (7, 18455560), (8, 16148615), (10, 12918892), (14, 9227780), (20, 6459446), (28, 4613890), (35, 3691112), (40, 3229723), (56, 2306945), (70, 1845556), (140, 922778), (280, 461389), (439, 294280), (878, 147140), (1051, 122920), (1756, 73570), (2102, 61460), (2195, 58856), (3073, 42040), (3512, 36785), (4204, 30730), (4390, 29428), (5255, 24584), (6146, 21020), (7357, 17560), (8408, 15365), (8780, 14714), (10510, 12292)]