388960880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{271}}^1$

素因数の和:535

約数の個数: 160

約数和(自身を含む): 1136498688

約数和(自身を除く): 747537808

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 233, 271, 280, 308, 385, 440, 466, 542, 560, 616, 770, 880, 932, 1084, 1165, 1232, 1355, 1540, 1631, 1864, 1897, 2168, 2330, 2563, 2710, 2981, 3080, 3262, 3728, 3794, 4336, 4660, 5126, 5420, 5962, 6160, 6524, 7588, 8155, 9320, 9485, 10252, 10840, 11924, 12815, 13048, 14905, 15176, 16310, 17941, 18640, 18970, 20504, 20867, 21680, 23848, 25630, 26096, 29810, 30352, 32620, 35882, 37940, 41008, 41734, 47696, 51260, 59620, 63143, 65240, 71764, 75880, 83468, 89705, 102520, 104335, 119240, 126286, 130480, 143528, 151760, 166936, 179410, 205040, 208670, 238480, 252572, 287056, 315715, 333872, 358820, 417340, 442001, 505144, 631430, 694573, 717640, 834680, 884002, 1010288, 1262860, 1389146, 1435280, 1669360, 1768004, 2210005, 2525720, 2778292, 3472865, 3536008, 4420010, 4862011, 5051440, 5556584, 6945730, 7072016, 8840020, 9724022, 11113168, 13891460, 17680040, 19448044, 24310055, 27782920, 35360080, 38896088, 48620110, 55565840, 77792176, 97240220, 194480440, 388960880]

約数ペア:

[(1, 388960880), (2, 194480440), (4, 97240220), (5, 77792176), (7, 55565840), (8, 48620110), (10, 38896088), (11, 35360080), (14, 27782920), (16, 24310055), (20, 19448044), (22, 17680040), (28, 13891460), (35, 11113168), (40, 9724022), (44, 8840020), (55, 7072016), (56, 6945730), (70, 5556584), (77, 5051440), (80, 4862011), (88, 4420010), (110, 3536008), (112, 3472865), (140, 2778292), (154, 2525720), (176, 2210005), (220, 1768004), (233, 1669360), (271, 1435280), (280, 1389146), (308, 1262860), (385, 1010288), (440, 884002), (466, 834680), (542, 717640), (560, 694573), (616, 631430), (770, 505144), (880, 442001), (932, 417340), (1084, 358820), (1165, 333872), (1232, 315715), (1355, 287056), (1540, 252572), (1631, 238480), (1864, 208670), (1897, 205040), (2168, 179410), (2330, 166936), (2563, 151760), (2710, 143528), (2981, 130480), (3080, 126286), (3262, 119240), (3728, 104335), (3794, 102520), (4336, 89705), (4660, 83468), (5126, 75880), (5420, 71764), (5962, 65240), (6160, 63143), (6524, 59620), (7588, 51260), (8155, 47696), (9320, 41734), (9485, 41008), (10252, 37940), (10840, 35882), (11924, 32620), (12815, 30352), (13048, 29810), (14905, 26096), (15176, 25630), (16310, 23848), (17941, 21680), (18640, 20867), (18970, 20504)]