205705808

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:433

約数の個数: 120

約数和(自身を含む): 513758784

約数和(自身を除く): 308052976

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 43, 44, 56, 77, 86, 88, 112, 121, 154, 172, 176, 242, 301, 308, 344, 353, 473, 484, 602, 616, 688, 706, 847, 946, 968, 1204, 1232, 1412, 1694, 1892, 1936, 2408, 2471, 2824, 3311, 3388, 3784, 3883, 4816, 4942, 5203, 5648, 6622, 6776, 7568, 7766, 9884, 10406, 13244, 13552, 15179, 15532, 19768, 20812, 26488, 27181, 30358, 31064, 36421, 39536, 41624, 42713, 52976, 54362, 60716, 62128, 72842, 83248, 85426, 106253, 108724, 121432, 145684, 166969, 170852, 212506, 217448, 242864, 291368, 298991, 333938, 341704, 425012, 434896, 582736, 597982, 667876, 683408, 850024, 1168783, 1195964, 1335752, 1700048, 1836659, 2337566, 2391928, 2671504, 3673318, 4675132, 4783856, 7346636, 9350264, 12856613, 14693272, 18700528, 25713226, 29386544, 51426452, 102852904, 205705808]

約数ペア:

[(1, 205705808), (2, 102852904), (4, 51426452), (7, 29386544), (8, 25713226), (11, 18700528), (14, 14693272), (16, 12856613), (22, 9350264), (28, 7346636), (43, 4783856), (44, 4675132), (56, 3673318), (77, 2671504), (86, 2391928), (88, 2337566), (112, 1836659), (121, 1700048), (154, 1335752), (172, 1195964), (176, 1168783), (242, 850024), (301, 683408), (308, 667876), (344, 597982), (353, 582736), (473, 434896), (484, 425012), (602, 341704), (616, 333938), (688, 298991), (706, 291368), (847, 242864), (946, 217448), (968, 212506), (1204, 170852), (1232, 166969), (1412, 145684), (1694, 121432), (1892, 108724), (1936, 106253), (2408, 85426), (2471, 83248), (2824, 72842), (3311, 62128), (3388, 60716), (3784, 54362), (3883, 52976), (4816, 42713), (4942, 41624), (5203, 39536), (5648, 36421), (6622, 31064), (6776, 30358), (7568, 27181), (7766, 26488), (9884, 20812), (10406, 19768), (13244, 15532), (13552, 15179)]