38209990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 85478400

約数和(自身を除く): 47268410

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 199, 211, 398, 422, 455, 910, 995, 1055, 1393, 1477, 1990, 2110, 2587, 2743, 2786, 2954, 5174, 5486, 6965, 7385, 12935, 13715, 13930, 14770, 18109, 19201, 25870, 27430, 36218, 38402, 41989, 83978, 90545, 96005, 181090, 192010, 209945, 293923, 419890, 545857, 587846, 1091714, 1469615, 2729285, 2939230, 3820999, 5458570, 7641998, 19104995, 38209990]

約数ペア:

[(1, 38209990), (2, 19104995), (5, 7641998), (7, 5458570), (10, 3820999), (13, 2939230), (14, 2729285), (26, 1469615), (35, 1091714), (65, 587846), (70, 545857), (91, 419890), (130, 293923), (182, 209945), (199, 192010), (211, 181090), (398, 96005), (422, 90545), (455, 83978), (910, 41989), (995, 38402), (1055, 36218), (1393, 27430), (1477, 25870), (1990, 19201), (2110, 18109), (2587, 14770), (2743, 13930), (2786, 13715), (2954, 12935), (5174, 7385), (5486, 6965)]