18972100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{27103}}^1$

素因数の和:27124

約数の個数: 36

約数和(自身を含む): 47052544

約数和(自身を除く): 28080444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 27103, 54206, 108412, 135515, 189721, 271030, 379442, 542060, 677575, 758884, 948605, 1355150, 1897210, 2710300, 3794420, 4743025, 9486050, 18972100]

約数ペア:

[(1, 18972100), (2, 9486050), (4, 4743025), (5, 3794420), (7, 2710300), (10, 1897210), (14, 1355150), (20, 948605), (25, 758884), (28, 677575), (35, 542060), (50, 379442), (70, 271030), (100, 189721), (140, 135515), (175, 108412), (350, 54206), (700, 27103)]