2606660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 6416256

約数和(自身を除く): 3809596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 433, 602, 860, 866, 1204, 1505, 1732, 2165, 3010, 3031, 4330, 6020, 6062, 8660, 12124, 15155, 18619, 30310, 37238, 60620, 74476, 93095, 130333, 186190, 260666, 372380, 521332, 651665, 1303330, 2606660]

約数ペア:

[(1, 2606660), (2, 1303330), (4, 651665), (5, 521332), (7, 372380), (10, 260666), (14, 186190), (20, 130333), (28, 93095), (35, 74476), (43, 60620), (70, 37238), (86, 30310), (140, 18619), (172, 15155), (215, 12124), (301, 8660), (430, 6062), (433, 6020), (602, 4330), (860, 3031), (866, 3010), (1204, 2165), (1505, 1732)]