208538676860

素因数分解:

$2^2\times 5^1\times {\mathrm{288539}}^1\times {\mathrm{36137}}^1$

素因数の和:324685

約数の個数: 24

約数和(自身を含む): 437944857840

約数和(自身を除く): 229406180980

約数列:

[1, 2, 4, 5, 10, 20, 36137, 72274, 144548, 180685, 288539, 361370, 577078, 722740, 1154156, 1442695, 2885390, 5770780, 10426933843, 20853867686, 41707735372, 52134669215, 104269338430, 208538676860]

約数ペア:

[(1, 208538676860), (2, 104269338430), (4, 52134669215), (5, 41707735372), (10, 20853867686), (20, 10426933843), (36137, 5770780), (72274, 2885390), (144548, 1442695), (180685, 1154156), (288539, 722740), (361370, 577078)]