397345210

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{290033}}^1$

素因数の和:290177

約数の個数: 16

約数和(自身を含む): 720444456

約数和(自身を除く): 323099246

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 290033, 580066, 1450165, 2900330, 39734521, 79469042, 198672605, 397345210]

約数ペア:

[(1, 397345210), (2, 198672605), (5, 79469042), (10, 39734521), (137, 2900330), (274, 1450165), (685, 580066), (1370, 290033)]