204879090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:728

約数の個数: 128

約数和(自身を含む): 571253760

約数和(自身を除く): 366374670

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 43, 57, 65, 78, 86, 95, 114, 129, 130, 190, 195, 215, 247, 258, 285, 390, 430, 494, 559, 570, 643, 645, 741, 817, 1118, 1235, 1286, 1290, 1482, 1634, 1677, 1929, 2451, 2470, 2795, 3215, 3354, 3705, 3858, 4085, 4902, 5590, 6430, 7410, 8170, 8359, 8385, 9645, 10621, 12217, 12255, 16718, 16770, 19290, 21242, 24434, 24510, 25077, 27649, 31863, 36651, 41795, 50154, 53105, 55298, 61085, 63726, 73302, 82947, 83590, 106210, 122170, 125385, 138245, 158821, 159315, 165894, 183255, 250770, 276490, 317642, 318630, 359437, 366510, 414735, 476463, 525331, 718874, 794105, 829470, 952926, 1050662, 1078311, 1575993, 1588210, 1797185, 2156622, 2382315, 2626655, 3151986, 3594370, 4764630, 5253310, 5391555, 6829303, 7879965, 10783110, 13658606, 15759930, 20487909, 34146515, 40975818, 68293030, 102439545, 204879090]

約数ペア:

[(1, 204879090), (2, 102439545), (3, 68293030), (5, 40975818), (6, 34146515), (10, 20487909), (13, 15759930), (15, 13658606), (19, 10783110), (26, 7879965), (30, 6829303), (38, 5391555), (39, 5253310), (43, 4764630), (57, 3594370), (65, 3151986), (78, 2626655), (86, 2382315), (95, 2156622), (114, 1797185), (129, 1588210), (130, 1575993), (190, 1078311), (195, 1050662), (215, 952926), (247, 829470), (258, 794105), (285, 718874), (390, 525331), (430, 476463), (494, 414735), (559, 366510), (570, 359437), (643, 318630), (645, 317642), (741, 276490), (817, 250770), (1118, 183255), (1235, 165894), (1286, 159315), (1290, 158821), (1482, 138245), (1634, 125385), (1677, 122170), (1929, 106210), (2451, 83590), (2470, 82947), (2795, 73302), (3215, 63726), (3354, 61085), (3705, 55298), (3858, 53105), (4085, 50154), (4902, 41795), (5590, 36651), (6430, 31863), (7410, 27649), (8170, 25077), (8359, 24510), (8385, 24434), (9645, 21242), (10621, 19290), (12217, 16770), (12255, 16718)]