47890900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{5381}}^1$

素因数の和:5484

約数の個数: 36

約数和(自身を含む): 105110460

約数和(自身を除く): 57219560

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1780, 2225, 4450, 5381, 8900, 10762, 21524, 26905, 53810, 107620, 134525, 269050, 478909, 538100, 957818, 1915636, 2394545, 4789090, 9578180, 11972725, 23945450, 47890900]

約数ペア:

[(1, 47890900), (2, 23945450), (4, 11972725), (5, 9578180), (10, 4789090), (20, 2394545), (25, 1915636), (50, 957818), (89, 538100), (100, 478909), (178, 269050), (356, 134525), (445, 107620), (890, 53810), (1780, 26905), (2225, 21524), (4450, 10762), (5381, 8900)]