140850640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{251519}}^1$

素因数の和:251539

約数の個数: 40

約数和(自身を含む): 374261760

約数和(自身を除く): 233411120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 251519, 503038, 1006076, 1257595, 1760633, 2012152, 2515190, 3521266, 4024304, 5030380, 7042532, 8803165, 10060760, 14085064, 17606330, 20121520, 28170128, 35212660, 70425320, 140850640]

約数ペア:

[(1, 140850640), (2, 70425320), (4, 35212660), (5, 28170128), (7, 20121520), (8, 17606330), (10, 14085064), (14, 10060760), (16, 8803165), (20, 7042532), (28, 5030380), (35, 4024304), (40, 3521266), (56, 2515190), (70, 2012152), (80, 1760633), (112, 1257595), (140, 1006076), (280, 503038), (560, 251519)]