218049890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1307

約数の個数: 64

約数和(自身を含む): 441987840

約数和(自身を除く): 223937950

約数列:

[1, 2, 5, 10, 19, 23, 38, 41, 46, 82, 95, 115, 190, 205, 230, 410, 437, 779, 874, 943, 1217, 1558, 1886, 2185, 2434, 3895, 4370, 4715, 6085, 7790, 9430, 12170, 17917, 23123, 27991, 35834, 46246, 49897, 55982, 89585, 99794, 115615, 139955, 179170, 231230, 249485, 279910, 498970, 531829, 948043, 1063658, 1147631, 1896086, 2295262, 2659145, 4740215, 5318290, 5738155, 9480430, 11476310, 21804989, 43609978, 109024945, 218049890]

約数ペア:

[(1, 218049890), (2, 109024945), (5, 43609978), (10, 21804989), (19, 11476310), (23, 9480430), (38, 5738155), (41, 5318290), (46, 4740215), (82, 2659145), (95, 2295262), (115, 1896086), (190, 1147631), (205, 1063658), (230, 948043), (410, 531829), (437, 498970), (779, 279910), (874, 249485), (943, 231230), (1217, 179170), (1558, 139955), (1886, 115615), (2185, 99794), (2434, 89585), (3895, 55982), (4370, 49897), (4715, 46246), (6085, 35834), (7790, 27991), (9430, 23123), (12170, 17917)]