388266950

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{87251}}^1$

素因数の和:87352

約数の個数: 24

約数和(自身を含む): 730299240

約数和(自身を除く): 342032290

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 87251, 174502, 436255, 872510, 2181275, 4362550, 7765339, 15530678, 38826695, 77653390, 194133475, 388266950]

約数ペア:

[(1, 388266950), (2, 194133475), (5, 77653390), (10, 38826695), (25, 15530678), (50, 7765339), (89, 4362550), (178, 2181275), (445, 872510), (890, 436255), (2225, 174502), (4450, 87251)]