209890872

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:490

約数の個数: 128

約数和(自身を含む): 619200000

約数和(自身を除く): 409309128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 199, 216, 228, 257, 342, 398, 456, 513, 514, 597, 684, 771, 796, 1026, 1028, 1194, 1368, 1542, 1592, 1791, 2052, 2056, 2313, 2388, 3084, 3582, 3781, 4104, 4626, 4776, 4883, 5373, 6168, 6939, 7164, 7562, 9252, 9766, 10746, 11343, 13878, 14328, 14649, 15124, 18504, 19532, 21492, 22686, 27756, 29298, 30248, 34029, 39064, 42984, 43947, 45372, 51143, 55512, 58596, 68058, 87894, 90744, 102087, 102286, 117192, 131841, 136116, 153429, 175788, 204174, 204572, 263682, 272232, 306858, 351576, 408348, 409144, 460287, 527364, 613716, 816696, 920574, 971717, 1054728, 1227432, 1380861, 1841148, 1943434, 2761722, 2915151, 3682296, 3886868, 5523444, 5830302, 7773736, 8745453, 11046888, 11660604, 17490906, 23321208, 26236359, 34981812, 52472718, 69963624, 104945436, 209890872]

約数ペア:

[(1, 209890872), (2, 104945436), (3, 69963624), (4, 52472718), (6, 34981812), (8, 26236359), (9, 23321208), (12, 17490906), (18, 11660604), (19, 11046888), (24, 8745453), (27, 7773736), (36, 5830302), (38, 5523444), (54, 3886868), (57, 3682296), (72, 2915151), (76, 2761722), (108, 1943434), (114, 1841148), (152, 1380861), (171, 1227432), (199, 1054728), (216, 971717), (228, 920574), (257, 816696), (342, 613716), (398, 527364), (456, 460287), (513, 409144), (514, 408348), (597, 351576), (684, 306858), (771, 272232), (796, 263682), (1026, 204572), (1028, 204174), (1194, 175788), (1368, 153429), (1542, 136116), (1592, 131841), (1791, 117192), (2052, 102286), (2056, 102087), (2313, 90744), (2388, 87894), (3084, 68058), (3582, 58596), (3781, 55512), (4104, 51143), (4626, 45372), (4776, 43947), (4883, 42984), (5373, 39064), (6168, 34029), (6939, 30248), (7164, 29298), (7562, 27756), (9252, 22686), (9766, 21492), (10746, 19532), (11343, 18504), (13878, 15124), (14328, 14649)]