1890990500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{540283}}^1$

素因数の和:540309

約数の個数: 48

約数和(自身を含む): 4719921024

約数和(自身を除く): 2828930524

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, 540283, 1080566, 2161132, 2701415, 3781981, 5402830, 7563962, 10805660, 13507075, 15127924, 18909905, 27014150, 37819810, 54028300, 67535375, 75639620, 94549525, 135070750, 189099050, 270141500, 378198100, 472747625, 945495250, 1890990500]

約数ペア:

[(1, 1890990500), (2, 945495250), (4, 472747625), (5, 378198100), (7, 270141500), (10, 189099050), (14, 135070750), (20, 94549525), (25, 75639620), (28, 67535375), (35, 54028300), (50, 37819810), (70, 27014150), (100, 18909905), (125, 15127924), (140, 13507075), (175, 10805660), (250, 7563962), (350, 5402830), (500, 3781981), (700, 2701415), (875, 2161132), (1750, 1080566), (3500, 540283)]