178252004

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 390959352

約数和(自身を除く): 212707348

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 61, 68, 98, 119, 122, 196, 238, 244, 427, 476, 833, 854, 877, 1037, 1666, 1708, 1754, 2074, 2989, 3332, 3508, 4148, 5978, 6139, 7259, 11956, 12278, 14518, 14909, 24556, 29036, 29818, 42973, 50813, 53497, 59636, 85946, 101626, 104363, 106994, 171892, 203252, 208726, 213988, 374479, 417452, 730541, 748958, 909449, 1461082, 1497916, 1818898, 2621353, 2922164, 3637796, 5242706, 6366143, 10485412, 12732286, 25464572, 44563001, 89126002, 178252004]

約数ペア:

[(1, 178252004), (2, 89126002), (4, 44563001), (7, 25464572), (14, 12732286), (17, 10485412), (28, 6366143), (34, 5242706), (49, 3637796), (61, 2922164), (68, 2621353), (98, 1818898), (119, 1497916), (122, 1461082), (196, 909449), (238, 748958), (244, 730541), (427, 417452), (476, 374479), (833, 213988), (854, 208726), (877, 203252), (1037, 171892), (1666, 106994), (1708, 104363), (1754, 101626), (2074, 85946), (2989, 59636), (3332, 53497), (3508, 50813), (4148, 42973), (5978, 29818), (6139, 29036), (7259, 24556), (11956, 14909), (12278, 14518)]