66996850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 132580800

約数和(自身を除く): 65583950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 109, 190, 218, 475, 545, 647, 950, 1090, 1294, 2071, 2725, 3235, 4142, 5450, 6470, 10355, 12293, 16175, 20710, 24586, 32350, 51775, 61465, 70523, 103550, 122930, 141046, 307325, 352615, 614650, 705230, 1339937, 1763075, 2679874, 3526150, 6699685, 13399370, 33498425, 66996850]

約数ペア:

[(1, 66996850), (2, 33498425), (5, 13399370), (10, 6699685), (19, 3526150), (25, 2679874), (38, 1763075), (50, 1339937), (95, 705230), (109, 614650), (190, 352615), (218, 307325), (475, 141046), (545, 122930), (647, 103550), (950, 70523), (1090, 61465), (1294, 51775), (2071, 32350), (2725, 24586), (3235, 20710), (4142, 16175), (5450, 12293), (6470, 10355)]