159139600

素因数分解:

$2^4\times 5^2\times {\mathrm{397849}}^1$

素因数の和:397867

約数の個数: 30

約数和(自身を含む): 382333850

約数和(自身を除く): 223194250

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 397849, 795698, 1591396, 1989245, 3182792, 3978490, 6365584, 7956980, 9946225, 15913960, 19892450, 31827920, 39784900, 79569800, 159139600]

約数ペア:

[(1, 159139600), (2, 79569800), (4, 39784900), (5, 31827920), (8, 19892450), (10, 15913960), (16, 9946225), (20, 7956980), (25, 6365584), (40, 3978490), (50, 3182792), (80, 1989245), (100, 1591396), (200, 795698), (400, 397849)]