2017768720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2292919}}^1$

素因数の和:2292943

約数の個数: 40

約数和(自身を含む): 5117797440

約数和(自身を除く): 3100028720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2292919, 4585838, 9171676, 11464595, 18343352, 22929190, 25222109, 36686704, 45858380, 50444218, 91716760, 100888436, 126110545, 183433520, 201776872, 252221090, 403553744, 504442180, 1008884360, 2017768720]

約数ペア:

[(1, 2017768720), (2, 1008884360), (4, 504442180), (5, 403553744), (8, 252221090), (10, 201776872), (11, 183433520), (16, 126110545), (20, 100888436), (22, 91716760), (40, 50444218), (44, 45858380), (55, 36686704), (80, 25222109), (88, 22929190), (110, 18343352), (176, 11464595), (220, 9171676), (440, 4585838), (880, 2292919)]