68990540

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{9941}}^1$

素因数の和:10297

約数の個数: 24

約数和(自身を含む): 145312272

約数和(自身を除く): 76321732

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 6940, 9941, 19882, 39764, 49705, 99410, 198820, 3449527, 6899054, 13798108, 17247635, 34495270, 68990540]

約数ペア:

[(1, 68990540), (2, 34495270), (4, 17247635), (5, 13798108), (10, 6899054), (20, 3449527), (347, 198820), (694, 99410), (1388, 49705), (1735, 39764), (3470, 19882), (6940, 9941)]