1900986440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1011163}}^1$

素因数の和:1011221

約数の個数: 32

約数和(自身を含む): 4368228480

約数和(自身を除く): 2467242040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 1011163, 2022326, 4044652, 5055815, 8089304, 10111630, 20223260, 40446520, 47524661, 95049322, 190098644, 237623305, 380197288, 475246610, 950493220, 1900986440]

約数ペア:

[(1, 1900986440), (2, 950493220), (4, 475246610), (5, 380197288), (8, 237623305), (10, 190098644), (20, 95049322), (40, 47524661), (47, 40446520), (94, 20223260), (188, 10111630), (235, 8089304), (376, 5055815), (470, 4044652), (940, 2022326), (1880, 1011163)]