389675440

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1291}}^1$

素因数の和:1336

約数の個数: 160

約数和(自身を含む): 1153497600

約数和(自身を除く): 763822160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 343, 385, 392, 440, 490, 539, 560, 616, 686, 770, 784, 880, 980, 1078, 1232, 1291, 1372, 1540, 1715, 1960, 2156, 2582, 2695, 2744, 3080, 3430, 3773, 3920, 4312, 5164, 5390, 5488, 6160, 6455, 6860, 7546, 8624, 9037, 10328, 10780, 12910, 13720, 14201, 15092, 18074, 18865, 20656, 21560, 25820, 27440, 28402, 30184, 36148, 37730, 43120, 45185, 51640, 56804, 60368, 63259, 71005, 72296, 75460, 90370, 99407, 103280, 113608, 126518, 142010, 144592, 150920, 180740, 198814, 227216, 253036, 284020, 301840, 316295, 361480, 397628, 442813, 497035, 506072, 568040, 632590, 695849, 722960, 795256, 885626, 994070, 1012144, 1136080, 1265180, 1391698, 1590512, 1771252, 1988140, 2214065, 2530360, 2783396, 3479245, 3542504, 3976280, 4428130, 4870943, 5060720, 5566792, 6958490, 7085008, 7952560, 8856260, 9741886, 11133584, 13916980, 17712520, 19483772, 24354715, 27833960, 35425040, 38967544, 48709430, 55667920, 77935088, 97418860, 194837720, 389675440]

約数ペア:

[(1, 389675440), (2, 194837720), (4, 97418860), (5, 77935088), (7, 55667920), (8, 48709430), (10, 38967544), (11, 35425040), (14, 27833960), (16, 24354715), (20, 19483772), (22, 17712520), (28, 13916980), (35, 11133584), (40, 9741886), (44, 8856260), (49, 7952560), (55, 7085008), (56, 6958490), (70, 5566792), (77, 5060720), (80, 4870943), (88, 4428130), (98, 3976280), (110, 3542504), (112, 3479245), (140, 2783396), (154, 2530360), (176, 2214065), (196, 1988140), (220, 1771252), (245, 1590512), (280, 1391698), (308, 1265180), (343, 1136080), (385, 1012144), (392, 994070), (440, 885626), (490, 795256), (539, 722960), (560, 695849), (616, 632590), (686, 568040), (770, 506072), (784, 497035), (880, 442813), (980, 397628), (1078, 361480), (1232, 316295), (1291, 301840), (1372, 284020), (1540, 253036), (1715, 227216), (1960, 198814), (2156, 180740), (2582, 150920), (2695, 144592), (2744, 142010), (3080, 126518), (3430, 113608), (3773, 103280), (3920, 99407), (4312, 90370), (5164, 75460), (5390, 72296), (5488, 71005), (6160, 63259), (6455, 60368), (6860, 56804), (7546, 51640), (8624, 45185), (9037, 43120), (10328, 37730), (10780, 36148), (12910, 30184), (13720, 28402), (14201, 27440), (15092, 25820), (18074, 21560), (18865, 20656)]