28982660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{859}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 69928320

約数和(自身を除く): 40945660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 859, 964, 1205, 1687, 1718, 2410, 3374, 3436, 4295, 4820, 6013, 6748, 8435, 8590, 12026, 16870, 17180, 24052, 30065, 33740, 60130, 120260, 207019, 414038, 828076, 1035095, 1449133, 2070190, 2898266, 4140380, 5796532, 7245665, 14491330, 28982660]

約数ペア:

[(1, 28982660), (2, 14491330), (4, 7245665), (5, 5796532), (7, 4140380), (10, 2898266), (14, 2070190), (20, 1449133), (28, 1035095), (35, 828076), (70, 414038), (140, 207019), (241, 120260), (482, 60130), (859, 33740), (964, 30065), (1205, 24052), (1687, 17180), (1718, 16870), (2410, 12026), (3374, 8590), (3436, 8435), (4295, 6748), (4820, 6013)]