81190900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{115987}}^1$

素因数の和:116008

約数の個数: 36

約数和(自身を含む): 201355168

約数和(自身を除く): 120164268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 115987, 231974, 463948, 579935, 811909, 1159870, 1623818, 2319740, 2899675, 3247636, 4059545, 5799350, 8119090, 11598700, 16238180, 20297725, 40595450, 81190900]

約数ペア:

[(1, 81190900), (2, 40595450), (4, 20297725), (5, 16238180), (7, 11598700), (10, 8119090), (14, 5799350), (20, 4059545), (25, 3247636), (28, 2899675), (35, 2319740), (50, 1623818), (70, 1159870), (100, 811909), (140, 579935), (175, 463948), (350, 231974), (700, 115987)]