128799020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10337}}^1$

素因数の和:10442

約数の個数: 48

約数和(自身を含む): 312621120

約数和(自身を除く): 183822100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 10337, 12460, 20674, 41348, 51685, 72359, 103370, 144718, 206740, 289436, 361795, 723590, 919993, 1447180, 1839986, 3679972, 4599965, 6439951, 9199930, 12879902, 18399860, 25759804, 32199755, 64399510, 128799020]

約数ペア:

[(1, 128799020), (2, 64399510), (4, 32199755), (5, 25759804), (7, 18399860), (10, 12879902), (14, 9199930), (20, 6439951), (28, 4599965), (35, 3679972), (70, 1839986), (89, 1447180), (140, 919993), (178, 723590), (356, 361795), (445, 289436), (623, 206740), (890, 144718), (1246, 103370), (1780, 72359), (2492, 51685), (3115, 41348), (6230, 20674), (10337, 12460)]