149027920

素因数分解:

$2^4\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2269}}^1$

素因数の和:3103

約数の個数: 40

約数和(自身を含む): 347064840

約数和(自身を除く): 198036920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 821, 1642, 2269, 3284, 4105, 4538, 6568, 8210, 9076, 11345, 13136, 16420, 18152, 22690, 32840, 36304, 45380, 65680, 90760, 181520, 1862849, 3725698, 7451396, 9314245, 14902792, 18628490, 29805584, 37256980, 74513960, 149027920]

約数ペア:

[(1, 149027920), (2, 74513960), (4, 37256980), (5, 29805584), (8, 18628490), (10, 14902792), (16, 9314245), (20, 7451396), (40, 3725698), (80, 1862849), (821, 181520), (1642, 90760), (2269, 65680), (3284, 45380), (4105, 36304), (4538, 32840), (6568, 22690), (8210, 18152), (9076, 16420), (11345, 13136)]