18085900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{3691}}^1$

素因数の和:3719

約数の個数: 54

約数和(自身を含む): 45666348

約数和(自身を除く): 27580448

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 3691, 4900, 7382, 14764, 18455, 25837, 36910, 51674, 73820, 92275, 103348, 129185, 180859, 184550, 258370, 361718, 369100, 516740, 645925, 723436, 904295, 1291850, 1808590, 2583700, 3617180, 4521475, 9042950, 18085900]

約数ペア:

[(1, 18085900), (2, 9042950), (4, 4521475), (5, 3617180), (7, 2583700), (10, 1808590), (14, 1291850), (20, 904295), (25, 723436), (28, 645925), (35, 516740), (49, 369100), (50, 361718), (70, 258370), (98, 184550), (100, 180859), (140, 129185), (175, 103348), (196, 92275), (245, 73820), (350, 51674), (490, 36910), (700, 25837), (980, 18455), (1225, 14764), (2450, 7382), (3691, 4900)]