788563780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{3643}}^1$

素因数の和:3868

約数の個数: 48

約数和(自身を含む): 1689649920

約数和(自身を除く): 901086140

約数列:

[1, 2, 4, 5, 10, 20, 79, 137, 158, 274, 316, 395, 548, 685, 790, 1370, 1580, 2740, 3643, 7286, 10823, 14572, 18215, 21646, 36430, 43292, 54115, 72860, 108230, 216460, 287797, 499091, 575594, 998182, 1151188, 1438985, 1996364, 2495455, 2877970, 4990910, 5755940, 9981820, 39428189, 78856378, 157712756, 197140945, 394281890, 788563780]

約数ペア:

[(1, 788563780), (2, 394281890), (4, 197140945), (5, 157712756), (10, 78856378), (20, 39428189), (79, 9981820), (137, 5755940), (158, 4990910), (274, 2877970), (316, 2495455), (395, 1996364), (548, 1438985), (685, 1151188), (790, 998182), (1370, 575594), (1580, 499091), (2740, 287797), (3643, 216460), (7286, 108230), (10823, 72860), (14572, 54115), (18215, 43292), (21646, 36430)]