82429780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 176400000

約数和(自身を除く): 93970220

約数列:

[1, 2, 4, 5, 10, 20, 139, 149, 199, 278, 298, 398, 556, 596, 695, 745, 796, 995, 1390, 1490, 1990, 2780, 2980, 3980, 20711, 27661, 29651, 41422, 55322, 59302, 82844, 103555, 110644, 118604, 138305, 148255, 207110, 276610, 296510, 414220, 553220, 593020, 4121489, 8242978, 16485956, 20607445, 41214890, 82429780]

約数ペア:

[(1, 82429780), (2, 41214890), (4, 20607445), (5, 16485956), (10, 8242978), (20, 4121489), (139, 593020), (149, 553220), (199, 414220), (278, 296510), (298, 276610), (398, 207110), (556, 148255), (596, 138305), (695, 118604), (745, 110644), (796, 103555), (995, 82844), (1390, 59302), (1490, 55322), (1990, 41422), (2780, 29651), (2980, 27661), (3980, 20711)]