220908688

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1061}}^1$

素因数の和:1113

約数の個数: 120

約数和(自身を含む): 578373696

約数和(自身を除く): 357465008

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 169, 176, 182, 208, 286, 308, 338, 364, 572, 616, 676, 728, 1001, 1061, 1144, 1183, 1232, 1352, 1456, 1859, 2002, 2122, 2288, 2366, 2704, 3718, 4004, 4244, 4732, 7427, 7436, 8008, 8488, 9464, 11671, 13013, 13793, 14854, 14872, 16016, 16976, 18928, 23342, 26026, 27586, 29708, 29744, 46684, 52052, 55172, 59416, 81697, 93368, 96551, 104104, 110344, 118832, 151723, 163394, 179309, 186736, 193102, 208208, 220688, 303446, 326788, 358618, 386204, 606892, 653576, 717236, 772408, 1062061, 1213784, 1255163, 1307152, 1434472, 1544816, 1972399, 2124122, 2427568, 2510326, 2868944, 3944798, 4248244, 5020652, 7889596, 8496488, 10041304, 13806793, 15779192, 16992976, 20082608, 27613586, 31558384, 55227172, 110454344, 220908688]

約数ペア:

[(1, 220908688), (2, 110454344), (4, 55227172), (7, 31558384), (8, 27613586), (11, 20082608), (13, 16992976), (14, 15779192), (16, 13806793), (22, 10041304), (26, 8496488), (28, 7889596), (44, 5020652), (52, 4248244), (56, 3944798), (77, 2868944), (88, 2510326), (91, 2427568), (104, 2124122), (112, 1972399), (143, 1544816), (154, 1434472), (169, 1307152), (176, 1255163), (182, 1213784), (208, 1062061), (286, 772408), (308, 717236), (338, 653576), (364, 606892), (572, 386204), (616, 358618), (676, 326788), (728, 303446), (1001, 220688), (1061, 208208), (1144, 193102), (1183, 186736), (1232, 179309), (1352, 163394), (1456, 151723), (1859, 118832), (2002, 110344), (2122, 104104), (2288, 96551), (2366, 93368), (2704, 81697), (3718, 59416), (4004, 55172), (4244, 52052), (4732, 46684), (7427, 29744), (7436, 29708), (8008, 27586), (8488, 26026), (9464, 23342), (11671, 18928), (13013, 16976), (13793, 16016), (14854, 14872)]