76897580

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^2\times {\mathrm{199}}^1$

素因数の和:486

約数の個数: 36

約数和(自身を含む): 163472400

約数和(自身を除く): 86574820

約数列:

[1, 2, 4, 5, 10, 20, 139, 199, 278, 398, 556, 695, 796, 995, 1390, 1990, 2780, 3980, 19321, 27661, 38642, 55322, 77284, 96605, 110644, 138305, 193210, 276610, 386420, 553220, 3844879, 7689758, 15379516, 19224395, 38448790, 76897580]

約数ペア:

[(1, 76897580), (2, 38448790), (4, 19224395), (5, 15379516), (10, 7689758), (20, 3844879), (139, 553220), (199, 386420), (278, 276610), (398, 193210), (556, 138305), (695, 110644), (796, 96605), (995, 77284), (1390, 55322), (1990, 38642), (2780, 27661), (3980, 19321)]