251421984

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4177}}^1$

素因数の和:4223

約数の個数: 144

約数和(自身を含む): 821227680

約数和(自身を除く): 569805696

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 32, 33, 36, 38, 44, 48, 57, 66, 72, 76, 88, 96, 99, 114, 132, 144, 152, 171, 176, 198, 209, 228, 264, 288, 304, 342, 352, 396, 418, 456, 528, 608, 627, 684, 792, 836, 912, 1056, 1254, 1368, 1584, 1672, 1824, 1881, 2508, 2736, 3168, 3344, 3762, 4177, 5016, 5472, 6688, 7524, 8354, 10032, 12531, 15048, 16708, 20064, 25062, 30096, 33416, 37593, 45947, 50124, 60192, 66832, 75186, 79363, 91894, 100248, 133664, 137841, 150372, 158726, 183788, 200496, 238089, 275682, 300744, 317452, 367576, 400992, 413523, 476178, 551364, 601488, 634904, 714267, 735152, 827046, 872993, 952356, 1102728, 1202976, 1269808, 1428534, 1470304, 1654092, 1745986, 1904712, 2205456, 2539616, 2618979, 2857068, 3308184, 3491972, 3809424, 4410912, 5237958, 5714136, 6616368, 6983944, 7618848, 7856937, 10475916, 11428272, 13232736, 13967888, 15713874, 20951832, 22856544, 27935776, 31427748, 41903664, 62855496, 83807328, 125710992, 251421984]

約数ペア:

[(1, 251421984), (2, 125710992), (3, 83807328), (4, 62855496), (6, 41903664), (8, 31427748), (9, 27935776), (11, 22856544), (12, 20951832), (16, 15713874), (18, 13967888), (19, 13232736), (22, 11428272), (24, 10475916), (32, 7856937), (33, 7618848), (36, 6983944), (38, 6616368), (44, 5714136), (48, 5237958), (57, 4410912), (66, 3809424), (72, 3491972), (76, 3308184), (88, 2857068), (96, 2618979), (99, 2539616), (114, 2205456), (132, 1904712), (144, 1745986), (152, 1654092), (171, 1470304), (176, 1428534), (198, 1269808), (209, 1202976), (228, 1102728), (264, 952356), (288, 872993), (304, 827046), (342, 735152), (352, 714267), (396, 634904), (418, 601488), (456, 551364), (528, 476178), (608, 413523), (627, 400992), (684, 367576), (792, 317452), (836, 300744), (912, 275682), (1056, 238089), (1254, 200496), (1368, 183788), (1584, 158726), (1672, 150372), (1824, 137841), (1881, 133664), (2508, 100248), (2736, 91894), (3168, 79363), (3344, 75186), (3762, 66832), (4177, 60192), (5016, 50124), (5472, 45947), (6688, 37593), (7524, 33416), (8354, 30096), (10032, 25062), (12531, 20064), (15048, 16708)]