19799500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{5657}}^1$

素因数の和:5683

約数の個数: 48

約数和(自身を含む): 49428288

約数和(自身を除く): 29628788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 5657, 11314, 22628, 28285, 39599, 56570, 79198, 113140, 141425, 158396, 197995, 282850, 395990, 565700, 707125, 791980, 989975, 1414250, 1979950, 2828500, 3959900, 4949875, 9899750, 19799500]

約数ペア:

[(1, 19799500), (2, 9899750), (4, 4949875), (5, 3959900), (7, 2828500), (10, 1979950), (14, 1414250), (20, 989975), (25, 791980), (28, 707125), (35, 565700), (50, 395990), (70, 282850), (100, 197995), (125, 158396), (140, 141425), (175, 113140), (250, 79198), (350, 56570), (500, 39599), (700, 28285), (875, 22628), (1750, 11314), (3500, 5657)]