50274280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{439}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 129888000

約数和(自身を除く): 79613720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 409, 439, 818, 878, 1636, 1756, 2045, 2195, 2863, 3073, 3272, 3512, 4090, 4390, 5726, 6146, 8180, 8780, 11452, 12292, 14315, 15365, 16360, 17560, 22904, 24584, 28630, 30730, 57260, 61460, 114520, 122920, 179551, 359102, 718204, 897755, 1256857, 1436408, 1795510, 2513714, 3591020, 5027428, 6284285, 7182040, 10054856, 12568570, 25137140, 50274280]

約数ペア:

[(1, 50274280), (2, 25137140), (4, 12568570), (5, 10054856), (7, 7182040), (8, 6284285), (10, 5027428), (14, 3591020), (20, 2513714), (28, 1795510), (35, 1436408), (40, 1256857), (56, 897755), (70, 718204), (140, 359102), (280, 179551), (409, 122920), (439, 114520), (818, 61460), (878, 57260), (1636, 30730), (1756, 28630), (2045, 24584), (2195, 22904), (2863, 17560), (3073, 16360), (3272, 15365), (3512, 14315), (4090, 12292), (4390, 11452), (5726, 8780), (6146, 8180)]