55740440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{28439}}^1$

素因数の和:28464

約数の個数: 48

約数和(自身を含む): 145897200

約数和(自身を除く): 90156760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 28439, 56878, 113756, 142195, 199073, 227512, 284390, 398146, 568780, 796292, 995365, 1137560, 1393511, 1592584, 1990730, 2787022, 3981460, 5574044, 6967555, 7962920, 11148088, 13935110, 27870220, 55740440]

約数ペア:

[(1, 55740440), (2, 27870220), (4, 13935110), (5, 11148088), (7, 7962920), (8, 6967555), (10, 5574044), (14, 3981460), (20, 2787022), (28, 1990730), (35, 1592584), (40, 1393511), (49, 1137560), (56, 995365), (70, 796292), (98, 568780), (140, 398146), (196, 284390), (245, 227512), (280, 199073), (392, 142195), (490, 113756), (980, 56878), (1960, 28439)]