328498144

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 774748800

約数和(自身を除く): 446250656

約数列:

[1, 2, 4, 8, 13, 16, 19, 23, 26, 32, 38, 46, 52, 76, 92, 104, 139, 152, 169, 184, 208, 247, 278, 299, 304, 338, 368, 416, 437, 494, 556, 598, 608, 676, 736, 874, 988, 1112, 1196, 1352, 1748, 1807, 1976, 2224, 2392, 2641, 2704, 3197, 3211, 3496, 3614, 3887, 3952, 4448, 4784, 5282, 5408, 5681, 6394, 6422, 6992, 7228, 7774, 7904, 9568, 10564, 11362, 12788, 12844, 13984, 14456, 15548, 21128, 22724, 23491, 25576, 25688, 28912, 31096, 34333, 41561, 42256, 45448, 46982, 51152, 51376, 57824, 60743, 62192, 68666, 73853, 83122, 84512, 90896, 93964, 102304, 102752, 121486, 124384, 137332, 147706, 166244, 181792, 187928, 242972, 274664, 295412, 332488, 375856, 446329, 485944, 540293, 549328, 590824, 664976, 751712, 789659, 892658, 971888, 1080586, 1098656, 1181648, 1329952, 1579318, 1785316, 1943776, 2161172, 2363296, 3158636, 3570632, 4322344, 6317272, 7141264, 8644688, 10265567, 12634544, 14282528, 17289376, 20531134, 25269088, 41062268, 82124536, 164249072, 328498144]

約数ペア:

[(1, 328498144), (2, 164249072), (4, 82124536), (8, 41062268), (13, 25269088), (16, 20531134), (19, 17289376), (23, 14282528), (26, 12634544), (32, 10265567), (38, 8644688), (46, 7141264), (52, 6317272), (76, 4322344), (92, 3570632), (104, 3158636), (139, 2363296), (152, 2161172), (169, 1943776), (184, 1785316), (208, 1579318), (247, 1329952), (278, 1181648), (299, 1098656), (304, 1080586), (338, 971888), (368, 892658), (416, 789659), (437, 751712), (494, 664976), (556, 590824), (598, 549328), (608, 540293), (676, 485944), (736, 446329), (874, 375856), (988, 332488), (1112, 295412), (1196, 274664), (1352, 242972), (1748, 187928), (1807, 181792), (1976, 166244), (2224, 147706), (2392, 137332), (2641, 124384), (2704, 121486), (3197, 102752), (3211, 102304), (3496, 93964), (3614, 90896), (3887, 84512), (3952, 83122), (4448, 73853), (4784, 68666), (5282, 62192), (5408, 60743), (5681, 57824), (6394, 51376), (6422, 51152), (6992, 46982), (7228, 45448), (7774, 42256), (7904, 41561), (9568, 34333), (10564, 31096), (11362, 28912), (12788, 25688), (12844, 25576), (13984, 23491), (14456, 22724), (15548, 21128)]