1316840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4703}}^1$

素因数の和:4721

約数の個数: 32

約数和(自身を含む): 3386880

約数和(自身を除く): 2070040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4703, 9406, 18812, 23515, 32921, 37624, 47030, 65842, 94060, 131684, 164605, 188120, 263368, 329210, 658420, 1316840]

約数ペア:

[(1, 1316840), (2, 658420), (4, 329210), (5, 263368), (7, 188120), (8, 164605), (10, 131684), (14, 94060), (20, 65842), (28, 47030), (35, 37624), (40, 32921), (56, 23515), (70, 18812), (140, 9406), (280, 4703)]