1288840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4603}}^1$

素因数の和:4621

約数の個数: 32

約数和(自身を含む): 3314880

約数和(自身を除く): 2026040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4603, 9206, 18412, 23015, 32221, 36824, 46030, 64442, 92060, 128884, 161105, 184120, 257768, 322210, 644420, 1288840]

約数ペア:

[(1, 1288840), (2, 644420), (4, 322210), (5, 257768), (7, 184120), (8, 161105), (10, 128884), (14, 92060), (20, 64442), (28, 46030), (35, 36824), (40, 32221), (56, 23015), (70, 18412), (140, 9206), (280, 4603)]