1306442620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{252209}}^1$

素因数の和:252262

約数の個数: 48

約数和(自身を含む): 3220217280

約数和(自身を除く): 1913774660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 252209, 504418, 1008836, 1261045, 1765463, 2522090, 3530926, 5044180, 7061852, 8827315, 9331733, 17654630, 18663466, 35309260, 37326932, 46658665, 65322131, 93317330, 130644262, 186634660, 261288524, 326610655, 653221310, 1306442620]

約数ペア:

[(1, 1306442620), (2, 653221310), (4, 326610655), (5, 261288524), (7, 186634660), (10, 130644262), (14, 93317330), (20, 65322131), (28, 46658665), (35, 37326932), (37, 35309260), (70, 18663466), (74, 17654630), (140, 9331733), (148, 8827315), (185, 7061852), (259, 5044180), (370, 3530926), (518, 2522090), (740, 1765463), (1036, 1261045), (1295, 1008836), (2590, 504418), (5180, 252209)]