2040202920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{12329}}^1$

素因数の和:12547

約数の個数: 128

約数和(自身を含む): 7031059200

約数和(自身を除く): 4990856280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 197, 210, 280, 394, 420, 591, 788, 840, 985, 1182, 1379, 1576, 1970, 2364, 2758, 2955, 3940, 4137, 4728, 5516, 5910, 6895, 7880, 8274, 11032, 11820, 12329, 13790, 16548, 20685, 23640, 24658, 27580, 33096, 36987, 41370, 49316, 55160, 61645, 73974, 82740, 86303, 98632, 123290, 147948, 165480, 172606, 184935, 246580, 258909, 295896, 345212, 369870, 431515, 493160, 517818, 690424, 739740, 863030, 1035636, 1294545, 1479480, 1726060, 2071272, 2428813, 2589090, 3452120, 4857626, 5178180, 7286439, 9715252, 10356360, 12144065, 14572878, 17001691, 19430504, 24288130, 29145756, 34003382, 36432195, 48576260, 51005073, 58291512, 68006764, 72864390, 85008455, 97152520, 102010146, 136013528, 145728780, 170016910, 204020292, 255025365, 291457560, 340033820, 408040584, 510050730, 680067640, 1020101460, 2040202920]

約数ペア:

[(1, 2040202920), (2, 1020101460), (3, 680067640), (4, 510050730), (5, 408040584), (6, 340033820), (7, 291457560), (8, 255025365), (10, 204020292), (12, 170016910), (14, 145728780), (15, 136013528), (20, 102010146), (21, 97152520), (24, 85008455), (28, 72864390), (30, 68006764), (35, 58291512), (40, 51005073), (42, 48576260), (56, 36432195), (60, 34003382), (70, 29145756), (84, 24288130), (105, 19430504), (120, 17001691), (140, 14572878), (168, 12144065), (197, 10356360), (210, 9715252), (280, 7286439), (394, 5178180), (420, 4857626), (591, 3452120), (788, 2589090), (840, 2428813), (985, 2071272), (1182, 1726060), (1379, 1479480), (1576, 1294545), (1970, 1035636), (2364, 863030), (2758, 739740), (2955, 690424), (3940, 517818), (4137, 493160), (4728, 431515), (5516, 369870), (5910, 345212), (6895, 295896), (7880, 258909), (8274, 246580), (11032, 184935), (11820, 172606), (12329, 165480), (13790, 147948), (16548, 123290), (20685, 98632), (23640, 86303), (24658, 82740), (27580, 73974), (33096, 61645), (36987, 55160), (41370, 49316)]