1280451890

素因数分解:

$2^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{503}}^1\times {\mathrm{919}}^1$

素因数の和:1706

約数の個数: 32

約数和(自身を含む): 2320254720

約数和(自身を除く): 1039802830

約数列:

[1, 2, 5, 10, 277, 503, 554, 919, 1006, 1385, 1838, 2515, 2770, 4595, 5030, 9190, 139331, 254563, 278662, 462257, 509126, 696655, 924514, 1272815, 1393310, 2311285, 2545630, 4622570, 128045189, 256090378, 640225945, 1280451890]

約数ペア:

[(1, 1280451890), (2, 640225945), (5, 256090378), (10, 128045189), (277, 4622570), (503, 2545630), (554, 2311285), (919, 1393310), (1006, 1272815), (1385, 924514), (1838, 696655), (2515, 509126), (2770, 462257), (4595, 278662), (5030, 254563), (9190, 139331)]