249156620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{289717}}^1$

素因数の和:289769

約数の個数: 24

約数和(自身を含む): 535398864

約数和(自身を除く): 286242244

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 289717, 579434, 1158868, 1448585, 2897170, 5794340, 12457831, 24915662, 49831324, 62289155, 124578310, 249156620]

約数ペア:

[(1, 249156620), (2, 124578310), (4, 62289155), (5, 49831324), (10, 24915662), (20, 12457831), (43, 5794340), (86, 2897170), (172, 1448585), (215, 1158868), (430, 579434), (860, 289717)]