1291374800

素因数分解:

$2^4\times 5^2\times {\mathrm{3228437}}^1$

素因数の和:3228455

約数の個数: 30

約数和(自身を含む): 3102528918

約数和(自身を除く): 1811154118

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 3228437, 6456874, 12913748, 16142185, 25827496, 32284370, 51654992, 64568740, 80710925, 129137480, 161421850, 258274960, 322843700, 645687400, 1291374800]

約数ペア:

[(1, 1291374800), (2, 645687400), (4, 322843700), (5, 258274960), (8, 161421850), (10, 129137480), (16, 80710925), (20, 64568740), (25, 51654992), (40, 32284370), (50, 25827496), (80, 16142185), (100, 12913748), (200, 6456874), (400, 3228437)]