264855820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{696989}}^1$

素因数の和:697017

約数の個数: 24

約数和(自身を含む): 585471600

約数和(自身を除く): 320615780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 696989, 1393978, 2787956, 3484945, 6969890, 13242791, 13939780, 26485582, 52971164, 66213955, 132427910, 264855820]

約数ペア:

[(1, 264855820), (2, 132427910), (4, 66213955), (5, 52971164), (10, 26485582), (19, 13939780), (20, 13242791), (38, 6969890), (76, 3484945), (95, 2787956), (190, 1393978), (380, 696989)]