171566220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{408491}}^1$

素因数の和:408510

約数の個数: 48

約数和(自身を含む): 549013248

約数和(自身を除く): 377447028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 408491, 816982, 1225473, 1633964, 2042455, 2450946, 2859437, 4084910, 4901892, 5718874, 6127365, 8169820, 8578311, 11437748, 12254730, 14297185, 17156622, 24509460, 28594370, 34313244, 42891555, 57188740, 85783110, 171566220]

約数ペア:

[(1, 171566220), (2, 85783110), (3, 57188740), (4, 42891555), (5, 34313244), (6, 28594370), (7, 24509460), (10, 17156622), (12, 14297185), (14, 12254730), (15, 11437748), (20, 8578311), (21, 8169820), (28, 6127365), (30, 5718874), (35, 4901892), (42, 4084910), (60, 2859437), (70, 2450946), (84, 2042455), (105, 1633964), (140, 1225473), (210, 816982), (420, 408491)]