1997257430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{69761}}^1$

素因数の和:70184

約数の個数: 32

約数和(自身を含む): 4118748480

約数和(自身を除く): 2121491050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 818, 2045, 2863, 4090, 5726, 14315, 28630, 69761, 139522, 348805, 488327, 697610, 976654, 2441635, 4883270, 28532249, 57064498, 142661245, 199725743, 285322490, 399451486, 998628715, 1997257430]

約数ペア:

[(1, 1997257430), (2, 998628715), (5, 399451486), (7, 285322490), (10, 199725743), (14, 142661245), (35, 57064498), (70, 28532249), (409, 4883270), (818, 2441635), (2045, 976654), (2863, 697610), (4090, 488327), (5726, 348805), (14315, 139522), (28630, 69761)]