89745180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1997}}^1$

素因数の和:2123

約数の個数: 96

約数和(自身を含む): 290013696

約数和(自身を除く): 200268516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 107, 140, 210, 214, 321, 420, 428, 535, 642, 749, 1070, 1284, 1498, 1605, 1997, 2140, 2247, 2996, 3210, 3745, 3994, 4494, 5991, 6420, 7490, 7988, 8988, 9985, 11235, 11982, 13979, 14980, 19970, 22470, 23964, 27958, 29955, 39940, 41937, 44940, 55916, 59910, 69895, 83874, 119820, 139790, 167748, 209685, 213679, 279580, 419370, 427358, 641037, 838740, 854716, 1068395, 1282074, 1495753, 2136790, 2564148, 2991506, 3205185, 4273580, 4487259, 5983012, 6410370, 7478765, 8974518, 12820740, 14957530, 17949036, 22436295, 29915060, 44872590, 89745180]

約数ペア:

[(1, 89745180), (2, 44872590), (3, 29915060), (4, 22436295), (5, 17949036), (6, 14957530), (7, 12820740), (10, 8974518), (12, 7478765), (14, 6410370), (15, 5983012), (20, 4487259), (21, 4273580), (28, 3205185), (30, 2991506), (35, 2564148), (42, 2136790), (60, 1495753), (70, 1282074), (84, 1068395), (105, 854716), (107, 838740), (140, 641037), (210, 427358), (214, 419370), (321, 279580), (420, 213679), (428, 209685), (535, 167748), (642, 139790), (749, 119820), (1070, 83874), (1284, 69895), (1498, 59910), (1605, 55916), (1997, 44940), (2140, 41937), (2247, 39940), (2996, 29955), (3210, 27958), (3745, 23964), (3994, 22470), (4494, 19970), (5991, 14980), (6420, 13979), (7490, 11982), (7988, 11235), (8988, 9985)]