489253648

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 1102831200

約数和(自身を除く): 613577552

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 89, 104, 107, 152, 169, 178, 208, 214, 247, 304, 338, 356, 428, 494, 676, 712, 856, 988, 1157, 1352, 1391, 1424, 1691, 1712, 1976, 2033, 2314, 2704, 2782, 3211, 3382, 3952, 4066, 4628, 5564, 6422, 6764, 8132, 9256, 9523, 11128, 12844, 13528, 15041, 16264, 18083, 18512, 19046, 21983, 22256, 25688, 26429, 27056, 30082, 32528, 36166, 38092, 43966, 51376, 52858, 60164, 72332, 76184, 87932, 105716, 120328, 123799, 144664, 152368, 175864, 180937, 211432, 240656, 247598, 285779, 289328, 343577, 351728, 361874, 422864, 495196, 571558, 687154, 723748, 990392, 1143116, 1374308, 1447496, 1609387, 1980784, 2286232, 2352181, 2748616, 2894992, 3218774, 4572464, 4704362, 5497232, 6437548, 9408724, 12875096, 18817448, 25750192, 30578353, 37634896, 61156706, 122313412, 244626824, 489253648]

約数ペア:

[(1, 489253648), (2, 244626824), (4, 122313412), (8, 61156706), (13, 37634896), (16, 30578353), (19, 25750192), (26, 18817448), (38, 12875096), (52, 9408724), (76, 6437548), (89, 5497232), (104, 4704362), (107, 4572464), (152, 3218774), (169, 2894992), (178, 2748616), (208, 2352181), (214, 2286232), (247, 1980784), (304, 1609387), (338, 1447496), (356, 1374308), (428, 1143116), (494, 990392), (676, 723748), (712, 687154), (856, 571558), (988, 495196), (1157, 422864), (1352, 361874), (1391, 351728), (1424, 343577), (1691, 289328), (1712, 285779), (1976, 247598), (2033, 240656), (2314, 211432), (2704, 180937), (2782, 175864), (3211, 152368), (3382, 144664), (3952, 123799), (4066, 120328), (4628, 105716), (5564, 87932), (6422, 76184), (6764, 72332), (8132, 60164), (9256, 52858), (9523, 51376), (11128, 43966), (12844, 38092), (13528, 36166), (15041, 32528), (16264, 30082), (18083, 27056), (18512, 26429), (19046, 25688), (21983, 22256)]