66781400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{47701}}^1$

素因数の和:47724

約数の個数: 48

約数和(自身を含む): 177451440

約数和(自身を除く): 110670040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 47701, 95402, 190804, 238505, 333907, 381608, 477010, 667814, 954020, 1192525, 1335628, 1669535, 1908040, 2385050, 2671256, 3339070, 4770100, 6678140, 8347675, 9540200, 13356280, 16695350, 33390700, 66781400]

約数ペア:

[(1, 66781400), (2, 33390700), (4, 16695350), (5, 13356280), (7, 9540200), (8, 8347675), (10, 6678140), (14, 4770100), (20, 3339070), (25, 2671256), (28, 2385050), (35, 1908040), (40, 1669535), (50, 1335628), (56, 1192525), (70, 954020), (100, 667814), (140, 477010), (175, 381608), (200, 333907), (280, 238505), (350, 190804), (700, 95402), (1400, 47701)]