31286290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 69424128

約数和(自身を除く): 38137838

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 61, 70, 85, 119, 122, 170, 238, 305, 427, 431, 595, 610, 854, 862, 1037, 1190, 2074, 2135, 2155, 3017, 4270, 4310, 5185, 6034, 7259, 7327, 10370, 14518, 14654, 15085, 26291, 30170, 36295, 36635, 51289, 52582, 72590, 73270, 102578, 131455, 184037, 256445, 262910, 368074, 446947, 512890, 893894, 920185, 1840370, 2234735, 3128629, 4469470, 6257258, 15643145, 31286290]

約数ペア:

[(1, 31286290), (2, 15643145), (5, 6257258), (7, 4469470), (10, 3128629), (14, 2234735), (17, 1840370), (34, 920185), (35, 893894), (61, 512890), (70, 446947), (85, 368074), (119, 262910), (122, 256445), (170, 184037), (238, 131455), (305, 102578), (427, 73270), (431, 72590), (595, 52582), (610, 51289), (854, 36635), (862, 36295), (1037, 30170), (1190, 26291), (2074, 15085), (2135, 14654), (2155, 14518), (3017, 10370), (4270, 7327), (4310, 7259), (5185, 6034)]