2151460

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1109}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 4568760

約数和(自身を除く): 2417300

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1109, 1940, 2218, 4436, 5545, 11090, 22180, 107573, 215146, 430292, 537865, 1075730, 2151460]

約数ペア:

[(1, 2151460), (2, 1075730), (4, 537865), (5, 430292), (10, 215146), (20, 107573), (97, 22180), (194, 11090), (388, 5545), (485, 4436), (970, 2218), (1109, 1940)]