128855950

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1$

素因数の和:949

約数の個数: 48

約数和(自身を含む): 248908176

約数和(自身を除く): 120052226

約数列:

[1, 2, 5, 10, 25, 43, 50, 73, 86, 146, 215, 365, 430, 730, 821, 1075, 1642, 1825, 2150, 3139, 3650, 4105, 6278, 8210, 15695, 20525, 31390, 35303, 41050, 59933, 70606, 78475, 119866, 156950, 176515, 299665, 353030, 599330, 882575, 1498325, 1765150, 2577119, 2996650, 5154238, 12885595, 25771190, 64427975, 128855950]

約数ペア:

[(1, 128855950), (2, 64427975), (5, 25771190), (10, 12885595), (25, 5154238), (43, 2996650), (50, 2577119), (73, 1765150), (86, 1498325), (146, 882575), (215, 599330), (365, 353030), (430, 299665), (730, 176515), (821, 156950), (1075, 119866), (1642, 78475), (1825, 70606), (2150, 59933), (3139, 41050), (3650, 35303), (4105, 31390), (6278, 20525), (8210, 15695)]