202149580

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{51307}}^1$

素因数の和:51513

約数の個数: 24

約数和(自身を含む): 426677328

約数和(自身を除く): 224527748

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 51307, 102614, 205228, 256535, 513070, 1026140, 10107479, 20214958, 40429916, 50537395, 101074790, 202149580]

約数ペア:

[(1, 202149580), (2, 101074790), (4, 50537395), (5, 40429916), (10, 20214958), (20, 10107479), (197, 1026140), (394, 513070), (788, 256535), (985, 205228), (1970, 102614), (3940, 51307)]