289232450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{10853}}^1$

素因数の和:10919

約数の個数: 48

約数和(自身を含む): 593540136

約数和(自身を除く): 304307686

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 130, 205, 325, 410, 533, 650, 1025, 1066, 2050, 2665, 5330, 10853, 13325, 21706, 26650, 54265, 108530, 141089, 271325, 282178, 444973, 542650, 705445, 889946, 1410890, 2224865, 3527225, 4449730, 5784649, 7054450, 11124325, 11569298, 22248650, 28923245, 57846490, 144616225, 289232450]

約数ペア:

[(1, 289232450), (2, 144616225), (5, 57846490), (10, 28923245), (13, 22248650), (25, 11569298), (26, 11124325), (41, 7054450), (50, 5784649), (65, 4449730), (82, 3527225), (130, 2224865), (205, 1410890), (325, 889946), (410, 705445), (533, 542650), (650, 444973), (1025, 282178), (1066, 271325), (2050, 141089), (2665, 108530), (5330, 54265), (10853, 26650), (13325, 21706)]