285313336

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 701890560

約数和(自身を除く): 416577224

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 67, 77, 88, 124, 134, 154, 217, 223, 248, 268, 308, 341, 434, 446, 469, 536, 616, 682, 737, 868, 892, 938, 1364, 1474, 1561, 1736, 1784, 1876, 2077, 2387, 2453, 2728, 2948, 3122, 3752, 4154, 4774, 4906, 5159, 5896, 6244, 6913, 8308, 9548, 9812, 10318, 12488, 13826, 14539, 14941, 16616, 17171, 19096, 19624, 20636, 22847, 27652, 29078, 29882, 34342, 41272, 45694, 48391, 55304, 58156, 59764, 68684, 76043, 91388, 96782, 104587, 116312, 119528, 137368, 152086, 159929, 164351, 182776, 193564, 209174, 304172, 319858, 328702, 387128, 418348, 463171, 532301, 608344, 639716, 657404, 836696, 926342, 1064602, 1150457, 1279432, 1314808, 1852684, 2129204, 2300914, 3242197, 3705368, 4258408, 4601828, 5094881, 6484394, 9203656, 10189762, 12968788, 20379524, 25937576, 35664167, 40759048, 71328334, 142656668, 285313336]

約数ペア:

[(1, 285313336), (2, 142656668), (4, 71328334), (7, 40759048), (8, 35664167), (11, 25937576), (14, 20379524), (22, 12968788), (28, 10189762), (31, 9203656), (44, 6484394), (56, 5094881), (62, 4601828), (67, 4258408), (77, 3705368), (88, 3242197), (124, 2300914), (134, 2129204), (154, 1852684), (217, 1314808), (223, 1279432), (248, 1150457), (268, 1064602), (308, 926342), (341, 836696), (434, 657404), (446, 639716), (469, 608344), (536, 532301), (616, 463171), (682, 418348), (737, 387128), (868, 328702), (892, 319858), (938, 304172), (1364, 209174), (1474, 193564), (1561, 182776), (1736, 164351), (1784, 159929), (1876, 152086), (2077, 137368), (2387, 119528), (2453, 116312), (2728, 104587), (2948, 96782), (3122, 91388), (3752, 76043), (4154, 68684), (4774, 59764), (4906, 58156), (5159, 55304), (5896, 48391), (6244, 45694), (6913, 41272), (8308, 34342), (9548, 29882), (9812, 29078), (10318, 27652), (12488, 22847), (13826, 20636), (14539, 19624), (14941, 19096), (16616, 17171)]