1998447480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{39937}}^1$

素因数の和:40093

約数の個数: 96

約数和(自身を含む): 6541844400

約数和(自身を除く): 4543396920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 139, 180, 278, 360, 417, 556, 695, 834, 1112, 1251, 1390, 1668, 2085, 2502, 2780, 3336, 4170, 5004, 5560, 6255, 8340, 10008, 12510, 16680, 25020, 39937, 50040, 79874, 119811, 159748, 199685, 239622, 319496, 359433, 399370, 479244, 599055, 718866, 798740, 958488, 1198110, 1437732, 1597480, 1797165, 2396220, 2875464, 3594330, 4792440, 5551243, 7188660, 11102486, 14377320, 16653729, 22204972, 27756215, 33307458, 44409944, 49961187, 55512430, 66614916, 83268645, 99922374, 111024860, 133229832, 166537290, 199844748, 222049720, 249805935, 333074580, 399689496, 499611870, 666149160, 999223740, 1998447480]

約数ペア:

[(1, 1998447480), (2, 999223740), (3, 666149160), (4, 499611870), (5, 399689496), (6, 333074580), (8, 249805935), (9, 222049720), (10, 199844748), (12, 166537290), (15, 133229832), (18, 111024860), (20, 99922374), (24, 83268645), (30, 66614916), (36, 55512430), (40, 49961187), (45, 44409944), (60, 33307458), (72, 27756215), (90, 22204972), (120, 16653729), (139, 14377320), (180, 11102486), (278, 7188660), (360, 5551243), (417, 4792440), (556, 3594330), (695, 2875464), (834, 2396220), (1112, 1797165), (1251, 1597480), (1390, 1437732), (1668, 1198110), (2085, 958488), (2502, 798740), (2780, 718866), (3336, 599055), (4170, 479244), (5004, 399370), (5560, 359433), (6255, 319496), (8340, 239622), (10008, 199685), (12510, 159748), (16680, 119811), (25020, 79874), (39937, 50040)]