205121350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2887}}^1$

素因数の和:2942

約数の個数: 72

約数和(自身を含む): 459278640

約数和(自身を除く): 254157290

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 49, 50, 58, 70, 98, 145, 175, 203, 245, 290, 350, 406, 490, 725, 1015, 1225, 1421, 1450, 2030, 2450, 2842, 2887, 5075, 5774, 7105, 10150, 14210, 14435, 20209, 28870, 35525, 40418, 71050, 72175, 83723, 101045, 141463, 144350, 167446, 202090, 282926, 418615, 505225, 586061, 707315, 837230, 1010450, 1172122, 1414630, 2093075, 2930305, 3536575, 4102427, 4186150, 5860610, 7073150, 8204854, 14651525, 20512135, 29303050, 41024270, 102560675, 205121350]

約数ペア:

[(1, 205121350), (2, 102560675), (5, 41024270), (7, 29303050), (10, 20512135), (14, 14651525), (25, 8204854), (29, 7073150), (35, 5860610), (49, 4186150), (50, 4102427), (58, 3536575), (70, 2930305), (98, 2093075), (145, 1414630), (175, 1172122), (203, 1010450), (245, 837230), (290, 707315), (350, 586061), (406, 505225), (490, 418615), (725, 282926), (1015, 202090), (1225, 167446), (1421, 144350), (1450, 141463), (2030, 101045), (2450, 83723), (2842, 72175), (2887, 71050), (5075, 40418), (5774, 35525), (7105, 28870), (10150, 20209), (14210, 14435)]