144501220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{176221}}^1$

素因数の和:176271

約数の個数: 24

約数和(自身を含む): 310855608

約数和(自身を除く): 166354388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 176221, 352442, 704884, 881105, 1762210, 3524420, 7225061, 14450122, 28900244, 36125305, 72250610, 144501220]

約数ペア:

[(1, 144501220), (2, 72250610), (4, 36125305), (5, 28900244), (10, 14450122), (20, 7225061), (41, 3524420), (82, 1762210), (164, 881105), (205, 704884), (410, 352442), (820, 176221)]