78633400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20693}}^1$

素因数の和:20728

約数の個数: 48

約数和(自身を含む): 192454200

約数和(自身を除く): 113820800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 20693, 41386, 82772, 103465, 165544, 206930, 393167, 413860, 517325, 786334, 827720, 1034650, 1572668, 1965835, 2069300, 3145336, 3931670, 4138600, 7863340, 9829175, 15726680, 19658350, 39316700, 78633400]

約数ペア:

[(1, 78633400), (2, 39316700), (4, 19658350), (5, 15726680), (8, 9829175), (10, 7863340), (19, 4138600), (20, 3931670), (25, 3145336), (38, 2069300), (40, 1965835), (50, 1572668), (76, 1034650), (95, 827720), (100, 786334), (152, 517325), (190, 413860), (200, 393167), (380, 206930), (475, 165544), (760, 103465), (950, 82772), (1900, 41386), (3800, 20693)]