201773780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{4021}}^1$

素因数の和:4236

約数の個数: 48

約数和(自身を含む): 458797584

約数和(自身を除く): 257023804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 193, 260, 386, 772, 965, 1930, 2509, 3860, 4021, 5018, 8042, 10036, 12545, 16084, 20105, 25090, 40210, 50180, 52273, 80420, 104546, 209092, 261365, 522730, 776053, 1045460, 1552106, 3104212, 3880265, 7760530, 10088689, 15521060, 20177378, 40354756, 50443445, 100886890, 201773780]

約数ペア:

[(1, 201773780), (2, 100886890), (4, 50443445), (5, 40354756), (10, 20177378), (13, 15521060), (20, 10088689), (26, 7760530), (52, 3880265), (65, 3104212), (130, 1552106), (193, 1045460), (260, 776053), (386, 522730), (772, 261365), (965, 209092), (1930, 104546), (2509, 80420), (3860, 52273), (4021, 50180), (5018, 40210), (8042, 25090), (10036, 20105), (12545, 16084)]