124646840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 296676000

約数和(自身を除く): 172029160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 401, 409, 760, 802, 818, 1604, 1636, 2005, 2045, 3208, 3272, 4010, 4090, 7619, 7771, 8020, 8180, 15238, 15542, 16040, 16360, 30476, 31084, 38095, 38855, 60952, 62168, 76190, 77710, 152380, 155420, 164009, 304760, 310840, 328018, 656036, 820045, 1312072, 1640090, 3116171, 3280180, 6232342, 6560360, 12464684, 15580855, 24929368, 31161710, 62323420, 124646840]

約数ペア:

[(1, 124646840), (2, 62323420), (4, 31161710), (5, 24929368), (8, 15580855), (10, 12464684), (19, 6560360), (20, 6232342), (38, 3280180), (40, 3116171), (76, 1640090), (95, 1312072), (152, 820045), (190, 656036), (380, 328018), (401, 310840), (409, 304760), (760, 164009), (802, 155420), (818, 152380), (1604, 77710), (1636, 76190), (2005, 62168), (2045, 60952), (3208, 38855), (3272, 38095), (4010, 31084), (4090, 30476), (7619, 16360), (7771, 16040), (8020, 15542), (8180, 15238)]