989023140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{784939}}^1$

素因数の和:784961

約数の個数: 72

約数和(自身を含む): 3428617920

約数和(自身を除く): 2439594780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 784939, 1569878, 2354817, 3139756, 3924695, 4709634, 5494573, 7064451, 7849390, 9419268, 10989146, 11774085, 14128902, 15698780, 16483719, 21978292, 23548170, 27472865, 28257804, 32967438, 35322255, 47096340, 49451157, 54945730, 65934876, 70644510, 82418595, 98902314, 109891460, 141289020, 164837190, 197804628, 247255785, 329674380, 494511570, 989023140]

約数ペア:

[(1, 989023140), (2, 494511570), (3, 329674380), (4, 247255785), (5, 197804628), (6, 164837190), (7, 141289020), (9, 109891460), (10, 98902314), (12, 82418595), (14, 70644510), (15, 65934876), (18, 54945730), (20, 49451157), (21, 47096340), (28, 35322255), (30, 32967438), (35, 28257804), (36, 27472865), (42, 23548170), (45, 21978292), (60, 16483719), (63, 15698780), (70, 14128902), (84, 11774085), (90, 10989146), (105, 9419268), (126, 7849390), (140, 7064451), (180, 5494573), (210, 4709634), (252, 3924695), (315, 3139756), (420, 2354817), (630, 1569878), (1260, 784939)]