137747380

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{8389}}^1$

素因数の和:9219

約数の個数: 24

約数和(自身を含む): 289656360

約数和(自身を除く): 151908980

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 8389, 16420, 16778, 33556, 41945, 83890, 167780, 6887369, 13774738, 27549476, 34436845, 68873690, 137747380]

約数ペア:

[(1, 137747380), (2, 68873690), (4, 34436845), (5, 27549476), (10, 13774738), (20, 6887369), (821, 167780), (1642, 83890), (3284, 41945), (4105, 33556), (8210, 16778), (8389, 16420)]