158900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{227}}^1$

素因数の和:248

約数の個数: 36

約数和(自身を含む): 395808

約数和(自身を除く): 236908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 227, 350, 454, 700, 908, 1135, 1589, 2270, 3178, 4540, 5675, 6356, 7945, 11350, 15890, 22700, 31780, 39725, 79450, 158900]

約数ペア:

[(1, 158900), (2, 79450), (4, 39725), (5, 31780), (7, 22700), (10, 15890), (14, 11350), (20, 7945), (25, 6356), (28, 5675), (35, 4540), (50, 3178), (70, 2270), (100, 1589), (140, 1135), (175, 908), (227, 700), (350, 454)]