388670410

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{279619}}^1$

素因数の和:279765

約数の個数: 16

約数和(自身を含む): 704642400

約数和(自身を除く): 315971990

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 279619, 559238, 1398095, 2796190, 38867041, 77734082, 194335205, 388670410]

約数ペア:

[(1, 388670410), (2, 194335205), (5, 77734082), (10, 38867041), (139, 2796190), (278, 1398095), (695, 559238), (1390, 279619)]