208785920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:282

約数の個数: 160

約数和(自身を含む): 584534016

約数和(自身を除く): 375748096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 128, 140, 160, 191, 224, 244, 256, 280, 305, 320, 382, 427, 448, 488, 512, 560, 610, 640, 764, 854, 896, 955, 976, 1120, 1220, 1280, 1337, 1528, 1708, 1792, 1910, 1952, 2135, 2240, 2440, 2560, 2674, 3056, 3416, 3584, 3820, 3904, 4270, 4480, 4880, 5348, 6112, 6685, 6832, 7640, 7808, 8540, 8960, 9760, 10696, 11651, 12224, 13370, 13664, 15280, 15616, 17080, 17920, 19520, 21392, 23302, 24448, 26740, 27328, 30560, 31232, 34160, 39040, 42784, 46604, 48896, 53480, 54656, 58255, 61120, 68320, 78080, 81557, 85568, 93208, 97792, 106960, 109312, 116510, 122240, 136640, 156160, 163114, 171136, 186416, 213920, 218624, 233020, 244480, 273280, 326228, 342272, 372832, 407785, 427840, 466040, 488960, 546560, 652456, 684544, 745664, 815570, 855680, 932080, 1093120, 1304912, 1491328, 1631140, 1711360, 1864160, 2609824, 2982656, 3262280, 3422720, 3728320, 5219648, 5965312, 6524560, 7456640, 10439296, 13049120, 14913280, 20878592, 26098240, 29826560, 41757184, 52196480, 104392960, 208785920]

約数ペア:

[(1, 208785920), (2, 104392960), (4, 52196480), (5, 41757184), (7, 29826560), (8, 26098240), (10, 20878592), (14, 14913280), (16, 13049120), (20, 10439296), (28, 7456640), (32, 6524560), (35, 5965312), (40, 5219648), (56, 3728320), (61, 3422720), (64, 3262280), (70, 2982656), (80, 2609824), (112, 1864160), (122, 1711360), (128, 1631140), (140, 1491328), (160, 1304912), (191, 1093120), (224, 932080), (244, 855680), (256, 815570), (280, 745664), (305, 684544), (320, 652456), (382, 546560), (427, 488960), (448, 466040), (488, 427840), (512, 407785), (560, 372832), (610, 342272), (640, 326228), (764, 273280), (854, 244480), (896, 233020), (955, 218624), (976, 213920), (1120, 186416), (1220, 171136), (1280, 163114), (1337, 156160), (1528, 136640), (1708, 122240), (1792, 116510), (1910, 109312), (1952, 106960), (2135, 97792), (2240, 93208), (2440, 85568), (2560, 81557), (2674, 78080), (3056, 68320), (3416, 61120), (3584, 58255), (3820, 54656), (3904, 53480), (4270, 48896), (4480, 46604), (4880, 42784), (5348, 39040), (6112, 34160), (6685, 31232), (6832, 30560), (7640, 27328), (7808, 26740), (8540, 24448), (8960, 23302), (9760, 21392), (10696, 19520), (11651, 17920), (12224, 17080), (13370, 15616), (13664, 15280)]