3831500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 48

約数和(自身を含む): 8561280

約数和(自身を除く): 4729780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 97, 100, 125, 158, 194, 250, 316, 388, 395, 485, 500, 790, 970, 1580, 1940, 1975, 2425, 3950, 4850, 7663, 7900, 9700, 9875, 12125, 15326, 19750, 24250, 30652, 38315, 39500, 48500, 76630, 153260, 191575, 383150, 766300, 957875, 1915750, 3831500]

約数ペア:

[(1, 3831500), (2, 1915750), (4, 957875), (5, 766300), (10, 383150), (20, 191575), (25, 153260), (50, 76630), (79, 48500), (97, 39500), (100, 38315), (125, 30652), (158, 24250), (194, 19750), (250, 15326), (316, 12125), (388, 9875), (395, 9700), (485, 7900), (500, 7663), (790, 4850), (970, 3950), (1580, 2425), (1940, 1975)]