201491920

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{1049}}^1$

素因数の和:1090

約数の個数: 100

約数和(自身を含む): 547035300

約数和(自身を除く): 345543380

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1049, 1372, 1715, 1960, 2098, 2401, 2744, 3430, 3920, 4196, 4802, 5245, 5488, 6860, 7343, 8392, 9604, 10490, 12005, 13720, 14686, 16784, 19208, 20980, 24010, 27440, 29372, 36715, 38416, 41960, 48020, 51401, 58744, 73430, 83920, 96040, 102802, 117488, 146860, 192080, 205604, 257005, 293720, 359807, 411208, 514010, 587440, 719614, 822416, 1028020, 1439228, 1799035, 2056040, 2518649, 2878456, 3598070, 4112080, 5037298, 5756912, 7196140, 10074596, 12593245, 14392280, 20149192, 25186490, 28784560, 40298384, 50372980, 100745960, 201491920]

約数ペア:

[(1, 201491920), (2, 100745960), (4, 50372980), (5, 40298384), (7, 28784560), (8, 25186490), (10, 20149192), (14, 14392280), (16, 12593245), (20, 10074596), (28, 7196140), (35, 5756912), (40, 5037298), (49, 4112080), (56, 3598070), (70, 2878456), (80, 2518649), (98, 2056040), (112, 1799035), (140, 1439228), (196, 1028020), (245, 822416), (280, 719614), (343, 587440), (392, 514010), (490, 411208), (560, 359807), (686, 293720), (784, 257005), (980, 205604), (1049, 192080), (1372, 146860), (1715, 117488), (1960, 102802), (2098, 96040), (2401, 83920), (2744, 73430), (3430, 58744), (3920, 51401), (4196, 48020), (4802, 41960), (5245, 38416), (5488, 36715), (6860, 29372), (7343, 27440), (8392, 24010), (9604, 20980), (10490, 19208), (12005, 16784), (13720, 14686)]