291003020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{811}}^1$

素因数の和:1071

約数の個数: 96

約数和(自身を含む): 766112256

約数和(自身を除く): 475109236

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 233, 308, 385, 466, 770, 811, 932, 1165, 1540, 1622, 1631, 2330, 2563, 3244, 3262, 4055, 4660, 5126, 5677, 6524, 8110, 8155, 8921, 10252, 11354, 12815, 16220, 16310, 17842, 17941, 22708, 25630, 28385, 32620, 35684, 35882, 44605, 51260, 56770, 62447, 71764, 89210, 89705, 113540, 124894, 178420, 179410, 188963, 249788, 312235, 358820, 377926, 624470, 755852, 944815, 1248940, 1322741, 1889630, 2078593, 2645482, 3779260, 4157186, 5290964, 6613705, 8314372, 10392965, 13227410, 14550151, 20785930, 26454820, 29100302, 41571860, 58200604, 72750755, 145501510, 291003020]

約数ペア:

[(1, 291003020), (2, 145501510), (4, 72750755), (5, 58200604), (7, 41571860), (10, 29100302), (11, 26454820), (14, 20785930), (20, 14550151), (22, 13227410), (28, 10392965), (35, 8314372), (44, 6613705), (55, 5290964), (70, 4157186), (77, 3779260), (110, 2645482), (140, 2078593), (154, 1889630), (220, 1322741), (233, 1248940), (308, 944815), (385, 755852), (466, 624470), (770, 377926), (811, 358820), (932, 312235), (1165, 249788), (1540, 188963), (1622, 179410), (1631, 178420), (2330, 124894), (2563, 113540), (3244, 89705), (3262, 89210), (4055, 71764), (4660, 62447), (5126, 56770), (5677, 51260), (6524, 44605), (8110, 35882), (8155, 35684), (8921, 32620), (10252, 28385), (11354, 25630), (12815, 22708), (16220, 17941), (16310, 17842)]