203480860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1789}}^1$

素因数の和:1867

約数の個数: 72

約数和(自身を含む): 479949120

約数和(自身を除く): 276468260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 121, 188, 220, 235, 242, 470, 484, 517, 605, 940, 1034, 1210, 1789, 2068, 2420, 2585, 3578, 5170, 5687, 7156, 8945, 10340, 11374, 17890, 19679, 22748, 28435, 35780, 39358, 56870, 78716, 84083, 98395, 113740, 168166, 196790, 216469, 336332, 393580, 420415, 432938, 840830, 865876, 924913, 1082345, 1681660, 1849826, 2164690, 3699652, 4329380, 4624565, 9249130, 10174043, 18498260, 20348086, 40696172, 50870215, 101740430, 203480860]

約数ペア:

[(1, 203480860), (2, 101740430), (4, 50870215), (5, 40696172), (10, 20348086), (11, 18498260), (20, 10174043), (22, 9249130), (44, 4624565), (47, 4329380), (55, 3699652), (94, 2164690), (110, 1849826), (121, 1681660), (188, 1082345), (220, 924913), (235, 865876), (242, 840830), (470, 432938), (484, 420415), (517, 393580), (605, 336332), (940, 216469), (1034, 196790), (1210, 168166), (1789, 113740), (2068, 98395), (2420, 84083), (2585, 78716), (3578, 56870), (5170, 39358), (5687, 35780), (7156, 28435), (8945, 22748), (10340, 19679), (11374, 17890)]