123238864

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2060

約数の個数: 80

約数和(自身を含む): 297302400

約数和(自身を除く): 174063536

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 38, 56, 58, 76, 112, 116, 133, 152, 203, 232, 266, 304, 406, 464, 532, 551, 812, 1064, 1102, 1624, 1997, 2128, 2204, 3248, 3857, 3994, 4408, 7714, 7988, 8816, 13979, 15428, 15976, 27958, 30856, 31952, 37943, 55916, 57913, 61712, 75886, 111832, 115826, 151772, 223664, 231652, 265601, 303544, 405391, 463304, 531202, 607088, 810782, 926608, 1062404, 1100347, 1621564, 2124808, 2200694, 3243128, 4249616, 4401388, 6486256, 7702429, 8802776, 15404858, 17605552, 30809716, 61619432, 123238864]

約数ペア:

[(1, 123238864), (2, 61619432), (4, 30809716), (7, 17605552), (8, 15404858), (14, 8802776), (16, 7702429), (19, 6486256), (28, 4401388), (29, 4249616), (38, 3243128), (56, 2200694), (58, 2124808), (76, 1621564), (112, 1100347), (116, 1062404), (133, 926608), (152, 810782), (203, 607088), (232, 531202), (266, 463304), (304, 405391), (406, 303544), (464, 265601), (532, 231652), (551, 223664), (812, 151772), (1064, 115826), (1102, 111832), (1624, 75886), (1997, 61712), (2128, 57913), (2204, 55916), (3248, 37943), (3857, 31952), (3994, 30856), (4408, 27958), (7714, 15976), (7988, 15428), (8816, 13979)]