27964790

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 32860810

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 263, 310, 343, 434, 490, 526, 686, 1085, 1315, 1519, 1715, 1841, 2170, 2630, 3038, 3430, 3682, 7595, 8153, 9205, 10633, 12887, 15190, 16306, 18410, 21266, 25774, 40765, 53165, 57071, 64435, 81530, 90209, 106330, 114142, 128870, 180418, 285355, 399497, 451045, 570710, 798994, 902090, 1997485, 2796479, 3994970, 5592958, 13982395, 27964790]

約数ペア:

[(1, 27964790), (2, 13982395), (5, 5592958), (7, 3994970), (10, 2796479), (14, 1997485), (31, 902090), (35, 798994), (49, 570710), (62, 451045), (70, 399497), (98, 285355), (155, 180418), (217, 128870), (245, 114142), (263, 106330), (310, 90209), (343, 81530), (434, 64435), (490, 57071), (526, 53165), (686, 40765), (1085, 25774), (1315, 21266), (1519, 18410), (1715, 16306), (1841, 15190), (2170, 12887), (2630, 10633), (3038, 9205), (3430, 8153), (3682, 7595)]