203128705

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 277881840

約数和(自身を除く): 74753135

約数列:

[1, 5, 13, 37, 65, 73, 89, 169, 185, 365, 445, 481, 845, 949, 1157, 2405, 2701, 3293, 4745, 5785, 6253, 6497, 12337, 13505, 15041, 16465, 31265, 32485, 35113, 42809, 61685, 75205, 84461, 175565, 214045, 240389, 422305, 456469, 556517, 1097993, 1201945, 2282345, 2782585, 3125057, 5489965, 15625285, 40625741, 203128705]

約数ペア:

[(1, 203128705), (5, 40625741), (13, 15625285), (37, 5489965), (65, 3125057), (73, 2782585), (89, 2282345), (169, 1201945), (185, 1097993), (365, 556517), (445, 456469), (481, 422305), (845, 240389), (949, 214045), (1157, 175565), (2405, 84461), (2701, 75205), (3293, 61685), (4745, 42809), (5785, 35113), (6253, 32485), (6497, 31265), (12337, 16465), (13505, 15041)]