19635395900

素因数分解:

$2^2\times 5^2\times {\mathrm{263}}^1\times {\mathrm{521}}^1\times {\mathrm{1433}}^1$

素因数の和:2231

約数の個数: 72

約数和(自身を含む): 42882817824

約数和(自身を除く): 23247421924

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 263, 521, 526, 1042, 1052, 1315, 1433, 2084, 2605, 2630, 2866, 5210, 5260, 5732, 6575, 7165, 10420, 13025, 13150, 14330, 26050, 26300, 28660, 35825, 52100, 71650, 137023, 143300, 274046, 376879, 548092, 685115, 746593, 753758, 1370230, 1493186, 1507516, 1884395, 2740460, 2986372, 3425575, 3732965, 3768790, 6851150, 7465930, 7537580, 9421975, 13702300, 14931860, 18664825, 18843950, 37329650, 37687900, 74659300, 196353959, 392707918, 785415836, 981769795, 1963539590, 3927079180, 4908848975, 9817697950, 19635395900]

約数ペア:

[(1, 19635395900), (2, 9817697950), (4, 4908848975), (5, 3927079180), (10, 1963539590), (20, 981769795), (25, 785415836), (50, 392707918), (100, 196353959), (263, 74659300), (521, 37687900), (526, 37329650), (1042, 18843950), (1052, 18664825), (1315, 14931860), (1433, 13702300), (2084, 9421975), (2605, 7537580), (2630, 7465930), (2866, 6851150), (5210, 3768790), (5260, 3732965), (5732, 3425575), (6575, 2986372), (7165, 2740460), (10420, 1884395), (13025, 1507516), (13150, 1493186), (14330, 1370230), (26050, 753758), (26300, 746593), (28660, 685115), (35825, 548092), (52100, 376879), (71650, 274046), (137023, 143300)]