189637840

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{6911}}^1$

素因数の和:6945

約数の個数: 80

約数和(自身を含む): 514252800

約数和(自身を除く): 324614960

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, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 6911, 13720, 13822, 27440, 27644, 34555, 48377, 55288, 69110, 96754, 110576, 138220, 193508, 241885, 276440, 338639, 387016, 483770, 552880, 677278, 774032, 967540, 1354556, 1693195, 1935080, 2370473, 2709112, 3386390, 3870160, 4740946, 5418224, 6772780, 9481892, 11852365, 13545560, 18963784, 23704730, 27091120, 37927568, 47409460, 94818920, 189637840]

約数ペア:

[(1, 189637840), (2, 94818920), (4, 47409460), (5, 37927568), (7, 27091120), (8, 23704730), (10, 18963784), (14, 13545560), (16, 11852365), (20, 9481892), (28, 6772780), (35, 5418224), (40, 4740946), (49, 3870160), (56, 3386390), (70, 2709112), (80, 2370473), (98, 1935080), (112, 1693195), (140, 1354556), (196, 967540), (245, 774032), (280, 677278), (343, 552880), (392, 483770), (490, 387016), (560, 338639), (686, 276440), (784, 241885), (980, 193508), (1372, 138220), (1715, 110576), (1960, 96754), (2744, 69110), (3430, 55288), (3920, 48377), (5488, 34555), (6860, 27644), (6911, 27440), (13720, 13822)]