27945820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{461}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 67370688

約数和(自身を除く): 39424868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 433, 461, 866, 922, 1732, 1844, 2165, 2305, 3031, 3227, 4330, 4610, 6062, 6454, 8660, 9220, 12124, 12908, 15155, 16135, 30310, 32270, 60620, 64540, 199613, 399226, 798452, 998065, 1397291, 1996130, 2794582, 3992260, 5589164, 6986455, 13972910, 27945820]

約数ペア:

[(1, 27945820), (2, 13972910), (4, 6986455), (5, 5589164), (7, 3992260), (10, 2794582), (14, 1996130), (20, 1397291), (28, 998065), (35, 798452), (70, 399226), (140, 199613), (433, 64540), (461, 60620), (866, 32270), (922, 30310), (1732, 16135), (1844, 15155), (2165, 12908), (2305, 12124), (3031, 9220), (3227, 8660), (4330, 6454), (4610, 6062)]