1939825940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{4519}}^1$

素因数の和:4681

約数の個数: 72

約数和(自身を含む): 4446812160

約数和(自身を除く): 2506986220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 169, 254, 260, 338, 508, 635, 676, 845, 1270, 1651, 1690, 2540, 3302, 3380, 4519, 6604, 8255, 9038, 16510, 18076, 21463, 22595, 33020, 42926, 45190, 58747, 85852, 90380, 107315, 117494, 214630, 234988, 293735, 429260, 573913, 587470, 763711, 1147826, 1174940, 1527422, 2295652, 2869565, 3054844, 3818555, 5739130, 7460869, 7637110, 11478260, 14921738, 15274220, 29843476, 37304345, 74608690, 96991297, 149217380, 193982594, 387965188, 484956485, 969912970, 1939825940]

約数ペア:

[(1, 1939825940), (2, 969912970), (4, 484956485), (5, 387965188), (10, 193982594), (13, 149217380), (20, 96991297), (26, 74608690), (52, 37304345), (65, 29843476), (127, 15274220), (130, 14921738), (169, 11478260), (254, 7637110), (260, 7460869), (338, 5739130), (508, 3818555), (635, 3054844), (676, 2869565), (845, 2295652), (1270, 1527422), (1651, 1174940), (1690, 1147826), (2540, 763711), (3302, 587470), (3380, 573913), (4519, 429260), (6604, 293735), (8255, 234988), (9038, 214630), (16510, 117494), (18076, 107315), (21463, 90380), (22595, 85852), (33020, 58747), (42926, 45190)]