205778930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 489032640

約数和(自身を除く): 283253710

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 31, 35, 38, 46, 49, 62, 70, 95, 98, 115, 133, 155, 161, 190, 217, 230, 245, 266, 310, 322, 434, 437, 490, 589, 665, 713, 805, 874, 931, 961, 1085, 1127, 1178, 1330, 1426, 1519, 1610, 1862, 1922, 2170, 2185, 2254, 2945, 3038, 3059, 3565, 4123, 4370, 4655, 4805, 4991, 5635, 5890, 6118, 6727, 7130, 7595, 8246, 9310, 9610, 9982, 11270, 13454, 13547, 15190, 15295, 18259, 20615, 21413, 22103, 24955, 27094, 28861, 30590, 33635, 34937, 36518, 41230, 42826, 44206, 47089, 49910, 57722, 67270, 67735, 69874, 91295, 94178, 94829, 107065, 110515, 127813, 135470, 144305, 154721, 174685, 182590, 189658, 214130, 221030, 235445, 255626, 288610, 309442, 349370, 419957, 470890, 474145, 639065, 663803, 773605, 839914, 894691, 948290, 1083047, 1278130, 1327606, 1547210, 1789382, 2099785, 2166094, 2939699, 3319015, 4199570, 4473455, 5415235, 5879398, 6638030, 8946910, 10830470, 14698495, 20577893, 29396990, 41155786, 102889465, 205778930]

約数ペア:

[(1, 205778930), (2, 102889465), (5, 41155786), (7, 29396990), (10, 20577893), (14, 14698495), (19, 10830470), (23, 8946910), (31, 6638030), (35, 5879398), (38, 5415235), (46, 4473455), (49, 4199570), (62, 3319015), (70, 2939699), (95, 2166094), (98, 2099785), (115, 1789382), (133, 1547210), (155, 1327606), (161, 1278130), (190, 1083047), (217, 948290), (230, 894691), (245, 839914), (266, 773605), (310, 663803), (322, 639065), (434, 474145), (437, 470890), (490, 419957), (589, 349370), (665, 309442), (713, 288610), (805, 255626), (874, 235445), (931, 221030), (961, 214130), (1085, 189658), (1127, 182590), (1178, 174685), (1330, 154721), (1426, 144305), (1519, 135470), (1610, 127813), (1862, 110515), (1922, 107065), (2170, 94829), (2185, 94178), (2254, 91295), (2945, 69874), (3038, 67735), (3059, 67270), (3565, 57722), (4123, 49910), (4370, 47089), (4655, 44206), (4805, 42826), (4991, 41230), (5635, 36518), (5890, 34937), (6118, 33635), (6727, 30590), (7130, 28861), (7595, 27094), (8246, 24955), (9310, 22103), (9610, 21413), (9982, 20615), (11270, 18259), (13454, 15295), (13547, 15190)]