205042516

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 436029440

約数和(自身を除く): 230986924

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 109, 127, 161, 218, 254, 322, 436, 508, 529, 644, 763, 889, 1058, 1526, 1778, 2116, 2507, 2921, 3052, 3556, 3703, 5014, 5842, 7406, 10028, 11684, 13843, 14812, 17549, 20447, 27686, 35098, 40894, 55372, 57661, 67183, 70196, 81788, 96901, 115322, 134366, 193802, 230644, 268732, 318389, 387604, 403627, 470281, 636778, 807254, 940562, 1273556, 1614508, 1881124, 2228723, 4457446, 7322947, 8914892, 14645894, 29291788, 51260629, 102521258, 205042516]

約数ペア:

[(1, 205042516), (2, 102521258), (4, 51260629), (7, 29291788), (14, 14645894), (23, 8914892), (28, 7322947), (46, 4457446), (92, 2228723), (109, 1881124), (127, 1614508), (161, 1273556), (218, 940562), (254, 807254), (322, 636778), (436, 470281), (508, 403627), (529, 387604), (644, 318389), (763, 268732), (889, 230644), (1058, 193802), (1526, 134366), (1778, 115322), (2116, 96901), (2507, 81788), (2921, 70196), (3052, 67183), (3556, 57661), (3703, 55372), (5014, 40894), (5842, 35098), (7406, 27686), (10028, 20447), (11684, 17549), (13843, 14812)]