311760148

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 659824704

約数和(自身を除く): 348064556

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 71, 86, 98, 142, 172, 196, 284, 301, 497, 521, 602, 994, 1042, 1204, 1988, 2084, 2107, 3053, 3479, 3647, 4214, 6106, 6958, 7294, 8428, 12212, 13916, 14588, 21371, 22403, 25529, 36991, 42742, 44806, 51058, 73982, 85484, 89612, 102116, 147964, 149597, 156821, 258937, 299194, 313642, 517874, 598388, 627284, 1035748, 1097747, 1590613, 1812559, 2195494, 3181226, 3625118, 4390988, 6362452, 7250236, 11134291, 22268582, 44537164, 77940037, 155880074, 311760148]

約数ペア:

[(1, 311760148), (2, 155880074), (4, 77940037), (7, 44537164), (14, 22268582), (28, 11134291), (43, 7250236), (49, 6362452), (71, 4390988), (86, 3625118), (98, 3181226), (142, 2195494), (172, 1812559), (196, 1590613), (284, 1097747), (301, 1035748), (497, 627284), (521, 598388), (602, 517874), (994, 313642), (1042, 299194), (1204, 258937), (1988, 156821), (2084, 149597), (2107, 147964), (3053, 102116), (3479, 89612), (3647, 85484), (4214, 73982), (6106, 51058), (6958, 44806), (7294, 42742), (8428, 36991), (12212, 25529), (13916, 22403), (14588, 21371)]